Introduction to the Graphical Kernel System (GKS) / 
F.R.A. Hopgood ... [et al.]. 
 - London ;  New York :  Academic Press,  1983. 
 - xi, 200 p. :  ill. ;  24 cm. 
 - A.P.I.C. studies in data processing,  no. 19  0067-2483 ; .
 - 001.64/43 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0123555701 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GKS (Computer system)
<br/><br/><label>Dewey Class. No.: </label>001.64/43