Hyperfine interactions / 
edited by Arthur J. Freeman and Richard B. Frankel 
 - New York :  Academic Press,  1967 
 - 758 p. :  ill. ;  24 cm. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>LCCN: </label>67-21445 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electron paramagnetic resonance