000 00490nam a2200193Ia 4500
008 210417s9999 xx 000 0 und d
020 _a9781259003349
020 _b1259003345
082 _a587 SHA
082 _b2.587SHA
245 0 _aPteridophyta
245 0 _cPteridophyta
250 _bvarious pagination . ; ill.; pbk.
260 _aNew Delhi
260 _bTata Mc Graw Hill Education Private Limited
260 _c2012
700 _a"Sharma, O.P."
700 _bO.P. Sharma
999 _c463987
_d463987