Lau, Ernest <br/><br/>
Equidensitometry   : Methods of two-dimensional photometry, principles and fields of applications 

 - London:  Focal Press  1968 
 - 136p. :   il; 24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optica<br/>Fotometrķa