00441nam 2202687 45000010005000000030023000050050009000280080041000370820008000780720028000860200018001141000019001322600015001512500006001662450027001726500028001996500034002272687StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a620 aAudio and video systems a81-85336-10-5 aPeter Zorkoczy bEWP c1985 a2 aInteraction technology aAudio and video systems aOptical Communication Systems