Plant Pests of Importance to North American Agriculture
U.S.Dept. of Agri.
Plant Pests of Importance to North American Agriculture - Washington D.C. USDA 1966 - 446p. - (Agriculture Handbook - 307) .
576.64830973 UNI-P
Plant Pests of Importance to North American Agriculture - Washington D.C. USDA 1966 - 446p. - (Agriculture Handbook - 307) .
576.64830973 UNI-P