00393nam a22001337a 4500082002100000100002200021245005600043260004100099300001900140500002500159650002800184650002000212650002700232  a621.042  bDAI/N  aDaison Panengaden  aNon-conventional energy sources/cDaison Panengaden  aCalicut:bCalicut University,c2016.  a152p. ;b25cm.  aopen course textbook  aNon Conventional Energy  aApplied Physics  aFifth Semester Physics