Townsend, P. D. (Peter David) <br/><br/>
Colour centres and imperfections in insulators and semiconductors 
[by] P. D. Townsend [and] J. C. Kelly. 
 - London,  Chatto and Windus for Sussex University Press,  1973. 
 - Graduate student series in physics .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0856210226  0856210102 (pbk.)  L.5.00 
<br/><br/><label>LCCN: </label>73176372 //r90 
<br/><br/><label>Nat. Bib. No.: </label>GB73-20049 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color centers.<br/>Electric insulators and insulation -- Defects.--Electric insulators and insulation -- Defects.<br/>Semiconductors -- Defects.--Semiconductors -- Defects.
<br/><br/><label>LC Class. No.: </label>QC176.8.O6  / T68 1973b 
<br/><br/><label>Dewey Class. No.: </label>548/.81