000 00315nam a2200121Ia 4500
008 220721s9999 xx 000 0 und d
041 _aeng
082 _a574.5(13)
100 _aGupta, Santosh Kumar
245 _aPakshi Nirikshan Pustika
260 _aAhamadabad
_bParyavaran Shikshan Kendra
999 _c81086
_d81086