00278nam a2200097Ia 450000500170000000800410001708200170005810000160007524500520009126000370014320260325112148.0260325s9999||||xx |||||||||||||| ||und||  a621.38 L347M  aLathi, B.P. 0aModern digital and analog communication systems  aNew DelhibOxford Uni. Pubc2017