Keitz, H. A. E. <br/><br/>
Light calculations and measurements:  an introduction to the system of quantities and units in light-technology, and to photometry 
[by] H. A. E. Keitz [translated from the Dutch]. 
 - 2nd revised ed. 
 - London,  Macmillan,  1971. 
 - Philips technical library .
<br/><br/> Translation of Lichtberechnungen und Lichtmessungen. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0333001168  L.5.50 
<br/><br/><label>LCCN: </label>71889308 //r852 
<br/><br/><label>Nat. Bib. No.: </label>B71-13459 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photometry.
<br/><br/><label>LC Class. No.: </label>QC391  / .K413 1971b 
<br/><br/><label>Dewey Class. No.: </label>535/.2