Measurement of radiant energy 
edited by W. E. Forsythe   
 - 1st ed. 
 - New York  McGraw Hill Book,Co.  1937 
 - xiv+452p.  figs; index; refs 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Measurement TechniqueMeasurement TechniquesMeasurementRadiant Energy
<br/><br/><label>Universal Decimal Class. No.: </label>535.23.6  / FOR