00366cam a2200169   450000500170000024500170001702000050003410000220003904400150006125000090007604100080008530000230009350000050011683000050012126000540012608200160018020260711133810.0  aFortran IVb  a  aOrganick, Elliott  aCosta Rica  a1ª   aspa  a301 p. il.; 27 cm.  a  v  aSan José bFondo Educativo Interamericanoc1972  a005.1bO68f