Botany pteridophyta, vascular cryptogams
Vashishta, P.C.
Botany pteridophyta, vascular cryptogams P.C. Vashista; revised by A.K. Sinha, Anil Kumar. - rev. ed.. - New Delhi S. Chand 2005 - pt.4.
Vascular cryptogams; Botany.
587 / V32B
Botany pteridophyta, vascular cryptogams P.C. Vashista; revised by A.K. Sinha, Anil Kumar. - rev. ed.. - New Delhi S. Chand 2005 - pt.4.
Vascular cryptogams; Botany.
587 / V32B