00254nam a2200097Ia 450000500170000000800410001710000230005824500340008126000330011530000080014820260413100330.0230516s9999||||xx |||||||||||||| ||und||  aBhattacharya, S.K. 0aElectronics & Instrumentation  bNew Delhi, S.K. Katriac2000  a621