=LDR 00000nam 2200000 4500 =001 INLIS000000000001621 =008 ###################################ind## =035 ##$$a 0010-0125001621 =245 ##$$a OPERATIONAL AMPLIFIERS =100 ##$$a GEORGE CLAYTON =250 ##$$a 1 =260 ##$$b ERLANGGA =020 ##$$a 9789797416867 =082 ##$$a 600