"Helfrich, W" <br/><br/>
Liquid Crystals of One-And Two-Dimensional 

 - \\198000ENGGPS000 
 - Springer-Verlag   1980  New York  
 - xii+416 p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>3540103996