000 00298nam a2200121Ia 4500
008 160710s2010 xx 000 0 und d
082 _a668.9 GUP
100 _aGUPTA (VIDYA)
245 _aSTUDIES ON THE EFFECTION OF AGGRESSIVE ENVIROMENT...
260 _c2010
300 _a925
942 _2ddc
_cTD
999 _c78786
_d78786