Working As Reviewer

Intro:

• Wikipedia's Code review

More detailed guidelines / background:

• Karl E. Wiegers' Humanizing Peer Review
• Guidelines at Tumblr
• IBM's / SmartBear's best practices
• Jason Cohen's Four ways to a practical code review

Science:

• Bacchelli, A; Bird, C. Expectations, outcomes, and challenges of modern code review. Proceedings of the 35th IEEE/ACM International Conference On Software Engineering (ICSE 2013).
• Beller, M; Bacchelli, A; Zaidman, A; Juergens, E. Modern code reviews in open-source projects: which problems do they fix?. Proceedings of the 11th Working Conference on Mining Software Repositories (MSR 2014).