Proceedings of the eight annual Convention of the Association of Official Agricultural Chemists held - detaljert visning

Proceedings of the eight annual Convention of the Association of Official Agricultural Chemists held at the Columbian University, Washington, D.C., August 13, 14, and 15, 1891 : methods of analysis of commercial fertilizers, foods and feeding stuffs, dairy products, fermented liquors, and sugars

edited by Harvey W. Wiley ; published by authority of the secretary of agriculture
Bok Engelsk 1891 Association of Official Agricultural Chemists