000 00256nam a2200109Ia 4500
008 200701s2010 xx 000 0 eng d
100 _aM K KULSHRESHTHA
245 0 _aOPERATION RESEARCH
260 _bVALVE EDUCATION
_c2010
300 _a243
942 _2ddc
_cGE
999 _c5115
_d5115