Computer output microfilm    Choice of processing and duplicating methods by Alan Horder 

 - Hatfield  NRCD         1976 
 - 33p Appendix  cm. 
 - NRCD Publication; 6 .
<br/><br/><label>Standard No.: </label>5,025 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>20bM1495, L610