BIB > 1988, 2102, 2364
BIB > 242, 20331
BIB > 1359
BIB > 2, 17, 200, 300, 307, 1996, 5197, 5691, ...
BIB > 22032
BIB > 2213, 20311
BIB > 2134
BIB > 101, 2015, 23692
BIB > 2404
BIB > 2059
BIB > 23, 537, 6569
BIB > 69, 1147, 5071, 6828