000 00323nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aP.C.Vashishta
245 0 _aPteridophyta
250 _a2nd RP
260 _aNew Delhi
260 _bS.Chand & Company Ltd
260 _c1993
650 _aPteridophyta
942 _cBK
999 _c17367
_d17367