000 00276nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aJoseph, Benny
245 0 _aEnvironmental studies
260 _aTata mcgraw hill company Ltd.
_c2006
300 _b0
650 _aMECHANICHAL
999 _c136782
_d136782