00258nam a2200097Ia 450000500170000000800410001708200170005810000220007524500260009726000370012320260325112158.0260325s9999||||xx |||||||||||||| ||und||  a621.86 Sw11M  aSwain, Anup Kumar 0aMechanical operations  aChennaibMc Graw Hill Edu.c2017