00391cam a2200169 450000500170000024500460001702000150006310000400007804400130011825000080013104100080013930000230014750000050017083000050017526000230018008200180020320260711133902.0 aIntroducción al control electrónicob a842670624X aFrohr, FriedrichOrttenburger, Fritz aEspaña a1ª aspa a372 p. il.; 21 cm. a v aBarcelona bc1986 a629.8bF928i