Absorption spectra in the ultraviolet and visible region  (a theoretical and technical introduction) 
elaborated and ed. by L. Láng. Collab. J. Szőke ... 
 - 2. rev. ed. 
 -  Akad. Kiadó  1982 
 - v.24.p.:418  graph. Darst. 
<br/><br/><label>Universal Decimal Class. No.: </label>543.42