Willett, Colin S. <br/><br/>
Introduction to gas lasers :  population inversion mechanisms, with emphasis on selective excitation processes / 
by Colin S. Willett. 
 - Oxford :  Pergamon Press,  1974. 
 - xiv,526 p., 2 leaves of plates (1 fold) :  ill. (incl 1 col.) ;  26 cm. 
 - International series of monographs in natural philosophy ;  vol. 67. .
 - International series of monographs in natural philosophy ;  vol. 67. .
<br/><br/><label>ISBN: </label>0080178030 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas lasers