Orgel, Leslie E. <br/><br/>
An introduction to transition-metal chemistry ligand-field theory / 
by Leslie E. Orgel. 
 - 2nd ed. 
 - London :  Methuen,  1966 
 - 186 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ligand field theory.