TY  - BOOK
AU  - Arntzen, C. J. [Ed]
AU  - Ritter, E. M. 
TI  - Encyclopedia of Agricultural Science : Vol. 4 S to W 
SN  - 0122266749
U1  - 630.3 
PY  - 1994///
CY  - California 
PB  - Academic Press 
ER  -