Author :
Troeh, Frederick R
Title :
Dictionary of agricultural and environmental science
Author Statement :
Frederick R. Troeh and Roy L. Donahue
Publication :
Iowa State Press
Collation :
ix, 553 p. ill. 26 cm.
Subject :
Agriculture- Dictionaries,Environmental sciences- Dictionaries
ADDED ENTRIES :
Donahue, Roy Luther,1908-
