Collica, Joseph. <br/><br/>
Conversion of federal ADP systems  tutorial 
by Joseph Collica, Mark Skall and Gloria Bolotsky 
 - Washington  U.S. Department of Commerce  1980 
 - v, 67p. 
 - NBS Special Publication 500-62 .
<br/><br/><label>LCCN: </label>80-600106 
<br/><br/><label>Dewey Class. No.: </label>001.6424  / N80