Director of United States standardization activities 
/ Institute for Applied Technology, National Bureau of Standards 
 - Washington, D.C.:   Institute for Applied Technology, National Bureau of Standards,   1975 
 - v, 223p. 
 - NBS special publication  417 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>R 389.6(058.7)  / L5