MARC 主機 00000nam  2200000 a 4500 
245 10 Control data cyber 70 computer systems models 72, 73, 74 
       6000 computer systems 
260 1  California :|bControl Data Corporation ,|c1972-1973 
300    vii, p. :|bills. ;|C27 cm. 
500    Query Update Reference Manual Models 72, 73, 74 version 2 
       6000 Version 2. 
504    Includes Index