共 50 条
- [1] Analytical separations research needs. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1999, 217 : U904 - U904
- [3] WIND EROSION RESEARCH ACCOMPLISHMENTS AND NEEDS. Transactions of the American Society of Agricultural Engineers, 1977, 29 (05): : 916 - 918
- [6] Role of oil products to meet Canada's future transportation needs. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1998, 216 : U844 - U844
- [9] Observations on research in medicine: Its position and its needs. BRITISH MEDICAL JOURNAL, 1930, 1930 : 479 - 483