共 50 条
- [21] 2005 PCI Design Awards Program: Jury selects 23 winning projects PCI JOURNAL, 2005, 50 (05): : 14 - +
- [23] HOW INTERNAL-REVENUE SERVICES DIF COMPUTER-PROGRAM SELECTS RETURNS JOURNAL OF TAXATION, 1975, 43 (03): : 180 - 180
- [26] Carnegie corporation selects a senior program officer for its university initiative in commonwealth Africa DISCOVERY AND INNOVATION, 1999, 11 (3-4): : 118 - 118
- [28] CONDUCTIVITY OF FRACTURE PROPPANTS IN MULTIPLE LAYERS JOURNAL OF PETROLEUM TECHNOLOGY, 1973, 25 (SEP): : 1101 - 1107
- [29] Proppants in great demand; production constrained Oil and Gas Journal, 2006, 104 (11): : 41 - 45