000 00436nam a2200181Ia 4500
008 201126s9999 xx 000 0 und d
041 _aeng
082 _a628 DES
100 _aDESWAL, S
245 _aAN INTRODUCTION TO ENVIRONMENTAL SCIENCE
260 _bDHANPAT RAO
500 _aReference Book
690 _aFACULTY OF ENGINEERING AND TECHNOLOGY
690 _aFET
690 _aBiotechnology
999 _c6921
_d6921
942 0 0 _04