TY - BOOK TI - Changes in and additions to methods of analysis adopted at the thirteenth annual meeting of the Association of Offical Agricultural Chemists UR - https://www.biodiversitylibrary.org/item/58317 PB - Govt. print. off.] CY - [Washington PY - 1896 AU - Association of Official Agricultural Chemists (U.S.) KW - Chemistry, Analytic ER -