Special interest package 2:   Micrographic system design 
/ National Micrographics Association 
 - Silver Spring:   National Micrographics Association,   1975 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical character recognition devices
<br/><br/><label>Subjects--Index Terms: </label>Digital mapping Imaging systems 
<br/><br/><label>Universal Decimal Class. No.: </label>D 778.14  / L9