1.

図書
図書
1. Phosphoric acid, phosphates, and phosphatic fertilizers
by Wm.H. Waggaman ; assisted by Henry W. Easterwood
出版情報: New York : Chemical Catalog, 1927
シリーズ名: Monograph series / American Chemical Society ; no. 34
所蔵情報: 図書館
2.

図書
図書
2. Report on the fixation and utilization of nitrogen
prepared by Nitrate Division, Ordnance Office War Department assisted by the Fixed Nitrogen Research Laboratory Department Of Agriculture
出版情報: Washington, Government Printing Office , 1922
所蔵情報: 図書館