000 00297nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aBIR.S.S.
245 0 _aPteridophytes Their morphology cytology
260 _cToday & Tomorrow Scientific Pub.
365 _b0
650 _aNIL
942 _cBK
999 _c102088
_d102088