Insect tranmission plant of diseases, (2 cops)

LEACH (Julian Gilbert)

Insect tranmission plant of diseases, (2 cops) - McGraw Hill New York 1940 - McGraw Hill Publications in the Agricultural Sciences, ed. by R .A.Brink. .


CONTROL OF DISEASES

J:4K86 H0-;1

J:4K86 H0-;1