00275nam a2200109 a 450000500170000002000150001708200200003210000150005224500490006726000310011630000180014720251203091808.0  a8122403816  a530.41,bD, Pil  aS.O.Pillai  aSolid State electronic engineering materials  aDelhibWiley Easternc1991  axv,388p, 22cm