000 00262nam a2200097 i 4500
008 950329s1971 sp g spa
100 _aVALKENBURGH,VAN
245 0 _aELECTRONICA BASICA
260 _aMEXICO
_b:EDIT.CONTINENTAL
_c,1971
997 _dFalta ISBN
_e1