00301nam a2200121Ia 4500008004100000020001800041082001500059100001500074245003200089250000900121260004100130300000800171190710s9999    xx            000 0 und d  a81-219-0465-X  a530 Ar67R,  aArora, C L 0aRefresher course in physics  a19th  aNew DelhibS.Chand and Companyc2010  a495