Proceedings of the NBS Semicentennial Sympoisum on Low Temperature Physics. 
Held at the NBS on March 27, 28 and 29, 1951 
 - United States :  National Bureau of Standars,  1952. 
 - 291 p.  il. ;  23 cm. 
<br/><br/>Incluye referencias bibliográficas. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TEMPERATURE RANGE 0065-0273 K<br/>INTERVALO DE TEMPERATURA 0065-0273 K
<br/><br/><label>Universal Decimal Class. No.: </label>536.48