Catskill  USMARC made easy : a multimedia introduction to the USMARC bibliographic format.  [recurso electrónico] : 

 - London :  Learning Curve. 
 - 1 disco compacto ;  4 3/4 plg. 
<br/><br/><br/>Requerimientos del sistema: Macintosh 7 o superior; 5Mb RAM; monitor de color (640 x480 pixeles, 256 colores); lector de CD-ROM. PC Windows 3.1 o windows 95; 8Mb RAM; monitor SVGA (640X480 pixeles, 256 colores); lector de CR-ROM 
<br/><br/><label>Subjects--Index Terms: </label>USMARC