000 003200000a22001330004500
008 140223b1960 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aD65:485 K09
082 _aD65:485 K09
100 _aBruinsma (A H)
245 _aMultivibrator circuit
260 _c1960
650 _aEleectron Engineering
999 _c155270
_d155270