Encyclopedia of agricultural science
Charles J. Arntzen · Academic Press · 1994
Wikipedia
{{cite book |last=Arntzen |first=Charles J. |title=Encyclopedia of agricultural science |publisher=Academic Press |year=1994 |isbn=9780122266706}}
Charles J. Arntzen · Academic Press · 1994
{{cite book |last=Arntzen |first=Charles J. |title=Encyclopedia of agricultural science |publisher=Academic Press |year=1994 |isbn=9780122266706}}