Journal of research, National Bureau of Standards 

 - WASHINGTON, d.c. :  NATIONAL BUREAU OF STANDARDS, 
 - Mensual 
<br/><br/><label>ISSN: </label>0091-0635 
 = Journal of research, National Bureau of Standards 
 = J. RES. NATL. BUR. STAND. 
<br/><br/><label>Subjects--Index Terms: </label>CIENCIAS EN GENERAL