00473nam a2200169Ia 4500082001900000100002900019245004600048260003500094300001400129500000500143690000600148700000500154952010000159964001700259921001000276999001700286  a658.5bD691.BP  aDooley, A. R. and Others  aBasic problems, concepts and techniquesb  aNew DelhibWiley Easternc1970  axv, 738p.  a  a   a  00104070aISIbISId1998-09-10l0o658.5 D691.BPpDP8657r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a10047  c10047d10047