#150 directly link to the repository pdf in the README

README.md

@@ -117,77 +117,77 @@ Cohesion Among Methods of Classes (**CAMC**).<br/>
 Jagdish Bansiya et al.,<br/>
 _A class cohesion metric for object-oriented designs_,<br/>
 Journal of Object-Oriented Programming, vol. 11, no. 8, 1999,
-[PDF](https://pdfs.semanticscholar.org/2709/1005bacefaee0242cf2643ba5efa20fa7c47.pdf).
+[PDF](papers/bansiya99_CAMC.pdf).
 
 [`chidamber94`]
 Lack of Cohesion in Methods (**LCOM**).<br/>
 Shyam Chidamber et al.,<br/>
 _A metrics suite for object oriented design_,<br/>
 IEEE Transactions on Software Engineering, vol.20, no.6, 1994,
-[PDF](http://www.pitt.edu/~ckemerer/CK%20research%20papers/MetricForOOD_ChidamberKemerer94.pdf).
+[PDF](papers/chidamber94_LCOM.pdf).
 
 [`aman04`]
 Optimistic Class Cohesion (**OCC**) and Pessimistic Class Cohesion (**PCC**).<br/>
 Hirohisa Aman et al.,<br/>
 _A proposal of class cohesion metrics using sizes of cohesive parts_,<br/>
 Proc. of Fifth Joint Conference on Knowledge-based Software Engineering, 2002,
-[PDF](https://www.researchgate.net/profile/Hirohisa_Aman/publication/268046583_A_Proposal_of_Class_Cohesion_Metrics_Using_Sizes_of_Cohesive_Parts/links/5729ca4b08ae057b0a060fa6/A-Proposal-of-Class-Cohesion-Metrics-Using-Sizes-of-Cohesive-Parts.pdf).
+[PDF](papers/aman04_OCC_PCC.pdf).
 
 [`dallal07`]
 Method-Method through Attributes Cohesion (**MMAC**).<br/>
 Jehad Al Dallal,<br/>
 _A Design-Based Cohesion Metric for Object-Oriented Classes_,<br/>
 World Academy of Science, Engineering and Technology International Journal of Computer and Information Engineering Vol:1, No:10, 2007,
-[PDF](http://waset.org/publications/5239/a-design-based-cohesion-metric-for-object-oriented-classes).
+[PDF](papers/dallal07_MMAC.pdf).
 
 [`counsell06`]
 Normalized Hamming Distance (**NHD**).<br/>
 Steve Counsell et al.,<br/>
 _The interpretation and utility of three cohesion metrics for object-oriented design_,<br/>
 ACM TOSEM, April 2006,
-[PDF](https://www.researchgate.net/publication/220403868_The_interpretation_and_utility_of_three_cohesion_metrics_for_object-oriented_design).
+[PDF](papers/counsell06_NHD.pdf).
 
 [`sellers96`]
 Lack of Cohesion in Methods 2-3 (**LCOM 2, 3 and 5**).<br/>
 B. Henderson-Sellers et al.,<br/>
 _Coupling and cohesion (towards a valid metrics suite for object-oriented analysis and design)_,<br/>
 Object Oriented Systems 3, 1996,
-[PDF](http://www.ibrarian.net/navon/paper/Coupling_and_cohesion__towards_a_valid_metrics_su.pdf?paperid=1090060).
+[PDF](papers/sellers96_LCOM2_LCOM3_LCOM5.pdf).
 
 [`wasiq01`]
 Class Connection Metric (**CCM**).<br/>
 M. Wasiq<br/>
 _Measuring Class Cohesion in Object-Oriented Systems_,<br/>
 Master Thesis at the King Fahd University of Petroleum & Minerals, 2001,
-[PDF](http://eprints.kfupm.edu.sa/10437/1/10437.pdf).
+[PDF](papers/wasiq01_CCM.pdf).
 
 [`fernandez06`]
 A Sensitive Metric of Class Cohesion (**SCOM**).<br/>
 Luis Fernández et al.,<br/>
 _[A] new metric [...] yielding meaningful values [...] more sensitive than those previously reported_,<br/>
 International Journal "Information Theories & Applications", Volume 13, 2006,
-[PDF](http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=55D08270F99333F15E0937AF137F4468?doi=10.1.1.84.1506&rep=rep1&type=pdf).
+[PDF](papers/fernandez06_SCOM.pdf).
 
 [`bieman95`]
 Tight Class Cohesion (**TCC**) and Loose Class Cohesion (**LCC**).<br/>
 James M. Bieman et al.,<br/>
 Cohesion and Reuse in an Object-Oriented System,<br/>
 Department of Computer Science, Colorado State University, 1995,
-[PDF](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.53.2683).
+[PDF](papers/bieman95_TCC.pdf).
 
 [`dallal11.pdf`]
 Transitive Lack of Cohesion in Methods (**TLCOM**).<br/>
 Jehad Al Dallal,<br/>
 Transitive-based object-oriented lack-of-cohesion metric,<br/>
 Department of Information Science, Kuwait University, 2011,
-[PDF](https://www.researchgate.net/publication/220307725_Transitive-based_object-oriented_lack-of-cohesion_metric).
+[PDF](papers/dallal11_TLCOM.pdf).
 
 [`hitz95`]
 Lack of Cohesion in Methods 4 (**LCOM4**).<br/>
 Martin Hitz et al.,<br/>
 Measuring Coupling and Cohesion In Object-Oriented Systems,<br/>
 Institute of Applied Computer Science and Systems Analysis, University of Vienna, 1995,
-[PDF](http://www.isys.uni-klu.ac.at/PDF/1995-0043-MHBM.pdf).
+[PDF](papers/hitz95_LCOM4.pdf).
 
 [`marcus05`]
 Conceptual Cohesion of Classes (**C3**).<br/>