Mansikka, Kauko <br/><br/>
On the Electron Density Distributions in Ions of Na Cl, KCl, and RbCl Crystals 

 - Helsinki :   Suomalainen Tiedeakatemia,   1961. 
 - 44 p. ;   22 cm. 
 - Annales Academiae Scientiarum Fennicae ;   81 .