共 50 条
- [1] A BRIEF-HISTORY OF NITROGEN-FERTILIZER IN THE UNITED-STATES [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1989, 198 : 1 - FERT
- [3] THE CHANGING STRUCTURE OF THE FERTILIZER INDUSTRY IN THE UNITED-STATES [J]. JOURNAL OF FARM ECONOMICS, 1958, 40 (05): : 1186 - 1198
- [5] NEW DEVELOPMENTS IN UNITED-STATES FERTILIZER TECHNOLOGY [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1980, 180 (AUG): : 9 - FERT
- [6] UNITED-STATES POSITION IN INTERNATIONAL FERTILIZER TRADE [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1976, 172 (SEP3): : 1 - 1
- [9] THE STUDY OF HISTORY IN THE UNITED-STATES [J]. AAUP BULLETIN-AMERICAN ASSOCIATION OF UNIVERSITY PROFESSORS, 1964, 50 (03): : 232 - 240
- [10] WOMENS HISTORY IN THE UNITED-STATES [J]. GESCHICHTE UND GESELLSCHAFT, 1981, 7 (3-4) : 347 - 363