000 00252nam a2200097Ia 4500
008 230508s2012 xx 000 0 und d
041 _aeng
100 _aDEBI ALOKA
245 _aENVIRONMENTAL SCIENCE AND ENGINEERING
260 _bUNIVERSITIES PRESS
_c2012
999 _c712449
_d712449