Vol. 14, Issue 11, 1960November 01, 1960 PDT
ccby-nc-nd-4.0
Principal damage of green apple aphid
Principal damage of green apple aphid
P Westigard, H Madsen,
Westigard, P, and H Madsen. 1960. “Principal Damage of Green Apple Aphid.” California Agriculture 14 (11): 14–14.