000 00470nam a2200181Ia 4500
008 230524s9999 xx 000 0 und d
020 _a9788120336919
082 _a4.16
_bMAS
100 _aGilbert M.Masters
245 0 _a"Introduction to Environmental Engineering and Science, "
250 _a3RD
260 _aNEW DELHI
_bPHI
_c2010
300 _aXII;708
500 _aQuantity Number: 20
650 _aEnvironmental
700 _a Wendell P.Ela
942 _cBK
999 _c47840
_d47840