00381nam a2200157Ia 45000010006000000050017000060080041000230410008000640820017000721000022000892450054001112600009001653000033001746500008002076540008002152254920260414150839.0260414t2017||||xx |||||||||||||| ||spa|| aESP a621.382bL28 aLathi, B. P.eAUT 0aModern digital and analog communication systemsb c2017 axxi, 903 páginas :c25 cm. aTCA aCET