Broadhurst, R. N. <br/><br/>
An investigation of the effects of exposure to light on diazo microfilms / 
by R.N. Broadhurst with an introduction by B.J.S. Williams. 
 - Hertfordshire :  National Reprographic Centre for Documentation,  1976. 
 - 67 p. ;  30 cm. 
 - NBS/NRC steam tables :  5 .
<br/><br/><label>ISBN: </label>0852670982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diazo microfilm--Effect of light on.<br/>Microfilms.