Swyt, Dennis A. <br/><br/>
Look at the techniques for the dimensional calibration of standard microscopic particles   
by Dennis A. Swyt 
 - Washington  US Dept. of Commerce  1983 
 - iii, 136p. 
 - National bureau of standards special publication 260-85 .
<br/><br/><label>Dewey Class. No.: </label>620.43  / N83