BIB > 672, 3740, 5269
BIB > 20, 1655, 68361
BIB > 1, 2018, 2071
BIB > 1006, 1089, 1598
BIB > 812, 1493, 1900, 5466, 5748, 6580
BIB > 23691
BIB > 3, 704, 6549
BIB > 12, 1021, 1032
BIB > 2, 37, 2226, 22262
BIB > 2359
BIB > 2438
BIB > 5313