Landolt-Bornstein  Numerical data and functional relationships in science and technology; Gr.4; V.2 
ed. by KL. Schafer 
 - Berlin  Springer-Verlag  1976 
 - viii, 695p.  incl.bibl 
<br/><br/><label>ISBN: </label>3540074430 
<br/><br/><label>Dewey Class. No.: </label>530.0212  / N61.4.2 "SER"