000 00291nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aLUDWIG (HARVEY F) ETC
245 0 _aMANUAL OF ENVIRONMENTAL TECHNOLOGY IN DEVELOPING COUNTRIES VOL. I
260 _bSOUTH ASIAN PUB. NEW DELHI
942 _2ddc
999 _c95468
_d95468