The Biology and morphology of pteridophytes /
Parihar, N.S.
The Biology and morphology of pteridophytes / N.S. Parihar. - 2nd ed. - Allahabad: Central Book Distributors, 1971. - 775p., ill.; 21cm.
587.04 P15B
The Biology and morphology of pteridophytes / N.S. Parihar. - 2nd ed. - Allahabad: Central Book Distributors, 1971. - 775p., ill.; 21cm.
587.04 P15B