BIB > 1360, 2277
BIB > 6, 20, 672, 3775
BIB > 5028
BIB > 1747
BIB > 6702
BIB > 99, 838, 5078, 6725, 764831
BIB > 5670
BIB > 57, 70, 5377
BIB > 10, 22096
BIB > 200, 2216
BIB > 18, 20467
BIB > 177