Sisk, Jonathan E. <br/><br/>
Exploring the Pick operating system / 
Jonathan E. Sisk and Steve VanArsdale. 
 - Hasbrouck Heights, N.J. :  Hayden Book Co.,  c1985. 
 - xxi,342 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0672484129 (pbk.) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Pick (Computer file)