Vascular cyptogams (pteridophyta) /
Vasishta, P. C.
Vascular cyptogams (pteridophyta) / P. C. Vasishta - 2nd rev.ed. - India : S. Chand, 1972 [Reprinted 1973] - 512 p. : ill. ; 21 cm. - Botany for degree students, v. IV. . - Botany for degree students, v. IV. .
Pteridophyta.
587 / VAV 1973
Vascular cyptogams (pteridophyta) / P. C. Vasishta - 2nd rev.ed. - India : S. Chand, 1972 [Reprinted 1973] - 512 p. : ill. ; 21 cm. - Botany for degree students, v. IV. . - Botany for degree students, v. IV. .
Pteridophyta.
587 / VAV 1973