BIB > 2301, 2346
BIB > 2363
BIB > 232
BIB > 4, 37, 148, 812, 1331, 1463
BIB > 6738, 6860
BIB > 2317, 22137
BIB > 2087
BIB > 37181
BIB > 28, 4350, 5927
BIB > 2140
BIB > 388, 9418
BIB > 1, 2026