00345nam 2219724 450000100060000000300230000600500090002900800410003808200080007902000180008710000210010526000280012624500590015419724StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a530 a0-672-21618-3 aHoward M. Berlin bBPB PUBLICATIONS c1985 aTHE 555 TIMER APPLICATIONS SOURCEBOOK WITH EXPERIMENTS