000 00306nam a2200109Ia 4500
008 210616s9999 xx 000 0 und d
100 _aDr. Sadhu Singh
245 0 _aPrinciples of mechanical engineering
260 _c2011
650 _aEngineering and Allied Operations
_bMechanical Engineering
942 _cBK
999 _c6283
_d6283