Eschrig, H.  <br/><br/>
Optimized LCAO method  and the electronic structure of extended systems 
Helmut Eschrig. 
 - Berlin  Springer-Verlag  1989. 
 - 221pages :    illustrtation ;   25cm. 
 - Research reports in physics .
<br/><br/>Include bibliographical references and index 
<br/><br/><label>ISBN: </label>354050740X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic structure<br/>Molecular orbitals<br/>Self--consistent field theory