共 50 条
- [41] NEW CHALLENGES OF SYSTEMS-DEVELOPMENT - A VISION OF THE 90S [J]. DATA BASE, 1989, 20 (03): : 1 - 12
- [42] Children of the 90s II: challenges for the ethics and law committee [J]. ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION, 1999, 81 (03): : F228 - F231
- [46] AMBITIOUS GOALS FOR THE 90S - THE CHINESE NONFERROUS METALS INDUSTRY [J]. METALL, 1991, 45 (05): : 496 - 498
- [47] UNITED-STATES AQUACULTURE - A GROWTH INDUSTRY FOR THE 90S [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1992, 203 : 105 - AGFD
- [48] MEETING ENVIRONMENTAL CHALLENGES OF THE 90S - A CASE-HISTORY [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1993, 206 : 32 - FERT
- [50] JELIS in the '90s [J]. JOURNAL OF EDUCATION FOR LIBRARY AND INFORMATION SCIENCE, 2000, 41 (01) : 45 - 51