Treatise on injourious and beneficial insects to crops : a study for the use of colleges, farm - schools and Agriculturists
Packard, A.S.
Treatise on injourious and beneficial insects to crops : a study for the use of colleges, farm - schools and Agriculturists A.S. Packard - 2nd ed. - New Delhi Logos Press 1987 - viii, 702 p.; 22cm.
595.7 P121T
Treatise on injourious and beneficial insects to crops : a study for the use of colleges, farm - schools and Agriculturists A.S. Packard - 2nd ed. - New Delhi Logos Press 1987 - viii, 702 p.; 22cm.
595.7 P121T