Chopra, G. L.
A text book of Gymnosperms : including exhaustive comparison for degree class / G. L. Chopra. - Delhi : S. Nagin, c 1978. - ii, 226 p. : ill. ; 22 cm.
Includes index.
337 337
Botany.
585 / G1t
A text book of Gymnosperms : including exhaustive comparison for degree class / G. L. Chopra. - Delhi : S. Nagin, c 1978. - ii, 226 p. : ill. ; 22 cm.
Includes index.
337 337
Botany.
585 / G1t