000 00325nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c495/-
040 _aET
100 _aVASHISHTA P.C
245 0 _aPTERIDOPHYTA (BOTANY )
260 _bS. CHAND & COMPANY
_aNEW DELHI
300 _a628
500 _a31932
942 _cBK
999 _c37947
_d37947