000 00271nam a2200109Ia 4500
008 170501s9999 xx 000 0 und d
100 _a"DHAMEJA, N."
245 _aENVIROMENTAL ENGINEERING AND MANAGEMENT
250 _a-
260 _bS.K. KATARIA & SONS
_a-DEHLI
_c2011
300 _a496
440 _n-
999 _c25376
_d25376