000 00326nam a2200133 a 4500
005 20260717100932.0
008 260717s1990 ii 000 0 eng d
041 _aeng
100 1 _aVishishta, B. R.
245 1 0 _aPteridophyta /
_cVishishta B.R
264 1 _aDelhi :
_bS.Chand & Company,
_c1990.
300 _a512
942 _cBK
999 _c30534
_d30534