Wellcome

Vascular cryptogams :

Vasishta, P. C.

Vascular cryptogams : Pteridophyta P. C. Vasishta - New Delhi : S. Chand & Company Private Limited, 1973. - 4v. (x, 462 p.) ; 21 cm.


Pteridophyta

Vascular cryptogams

587 VAS

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