000 00399nam a2200193Ia 4500
008 201126s9999 xx 000 0 und d
041 _aeng
082 _a628
100 _aBIR, RITU
245 _aENVIRONMENTAL STUDIES
250 _a1st
260 _bVAYU PUB
_c2009
300 _a180
490 _aREFERENCE
490 _aN
690 _aFET
690 _aBIOTECHNOLOGY
999 _c14458
_d14458