00410nam a2200121Ia 4500008004100000082001700041100001700058245005000075260005900125300001000184630001800194650007600212211109s9999||||xx |||||||||||||| ||und||  a621.3bGRA-V  aGraff, Hainz 0aVaidyutha Engineering Adisthana Tathwangal II  bState Institute of LanguagesaThiruvananthapuramc1975  a214p.  xgeneral stack  a TechnologyvEngineering & allied operations xApplied physicsGeneralia