diff --git a/adstex.py b/adstex.py
index 794d6cd..68c10ee 100644
--- a/adstex.py
+++ b/adstex.py
@@ -28,15 +28,16 @@
 except ImportError:
     from urllib import unquote
 
-__version__ = "0.3.7"
+__version__ = "0.3.8"
 
 _this_year = date.today().year % 100
 _this_cent = date.today().year // 100
 
 _re_comment = re.compile(r"(?<!\\)%.*(?=[\r\n])")
-_re_bib = re.compile(r"\\(?:no)?bibliography{([\w\s/&.:,-]+)}")
+_re_bib = re.compile(r"\\(?:no)?bibliography\*?(?:(?!\n{2,})\s)*{((?:(?!\n{2,})[^{}])+)}")
 _re_cite = re.compile(
-    r"\\(?:bibentry|[cC]ite[a-z]{0,7})\*?(?:\[.*?\])*{([\w\s/&.:,-]+)}"
+    r"\\(?:bibentry|[cC]ite[a-z]{0,7})\*?(?:(?!\n{2,})\s)*(?:(?<!\\)\[(?:(?!\n{2,}).)*?(?<!\\)\](?:(?!\n{2,})\s)*)*{((?:(?!\n{2,})[^{}])+)}",
+    re.S,
 )
 _re_fayear = re.compile(r"([A-Za-z-]+)(?:(?=[\W_])[^\s\d,]+)?((?:\d{2})?\d{2})")
 _re_id = {}