MARC 主機 00000nam  2200000 a 4500 
008    941201q1984    cou           00000 eng d 
040    |cAS 
050 14 QA76.8.I2594|bR33 
245 02 REF-11 system :|ba data base management system for 
       references : version 2.3 for the IBM PC and MS-DOS 
260 0  Hartford, Conn. :|bDG Systems,|c1984 
300    i, 91 leaves ;|c30 cm 
504    Includes bibliographical references and index 
650  0 IBM Personal Computer|xProgramming 
650  0 Data base management 
710 20 DG Systems 
740 21 A data base management system for references