1. Trace elements in plants and animals Creator: Stiles, Walter, 1886- Collection: Core Historical Literature of Agriculture Publisher: The Macmillian Co., Publication Place: New York : Date: 1946 Format: Book
2. Mineral nutrition of plants and animals Creator: Gilbert, Frank Albert, 1900- Collection: Core Historical Literature of Agriculture Publisher: Univ. of Oklahoma Press, Publication Place: Norman : Date: 1949 Format: Book