Kochhar, P. L.
Plant ecology; genetics & evolution, for B. Sc. & agriculture classes, by P. L. Kochhar. - 4th enl ed. - Jullundur City, S. Nagin, 1958. - vi, 311 p. illus. 22 cm.
79265425
Plant genetics.
Plant ecology.
Plants--Evolution.
QK981 / .K6 1964
Plant ecology; genetics & evolution, for B. Sc. & agriculture classes, by P. L. Kochhar. - 4th enl ed. - Jullundur City, S. Nagin, 1958. - vi, 311 p. illus. 22 cm.
79265425
Plant genetics.
Plant ecology.
Plants--Evolution.
QK981 / .K6 1964