000 00276nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a9789381421277
100 _aVerma, H K
245 0 _aText Book of Pteridophyta
260 _bRandom Publications
_aNewdelhi
_c2011
942 _cBK
999 _c5166
_d5166