01065nam--2200373---450-9900003611202033160036112USA010036112(ALEPH)000036112USA01003611220010315d1966----km-y0itay0103----baengUS||||||||001yyElectronic digital systemR.K.RichardsNew YorkJohn Wiley1966IX, 673 p.ill.23 cm2001001-------2001001.64044RICHARDS,R. K.1709ITsalbcISBD990000361120203316001.640 44 RIC470500100105635BKSCIPATTY9020010315USA011355PATTY9020010315USA011356PATTY9020010315USA011356PATTY9020010320USA01130120020403USA011644PATRY9020040406USA011625Electronic digital system876845UNISA