i \l;I.K OF ' ON i I 



iry -. - "89 



Metals 290-294 



■ rological 29fi 



V tru 



297 



Minium 



Molybdenum 298 



MosandMini 298 



Multiplo Spectra 2S8 



Nickel—. .. 

 Niobium . 299 



gen 

 Nomenclatui'- 



30G 

 ■ • 



tium 811 



;i l 

 Pbilippium ;| i 



311 ; 

 l'li ■■ pborua :;l 



Platinum 



818 

 um 818 



I ■ 320 



Radiation :; '-'l 



nd of the Spectrum. 

 ti on 



Rhodium 



Rubidium :; '-'~ 



Ruthenium 



Samnriuin .. — 329 



i.i- 1 "i a i . nous 



With tl ; 



on which the titles of their works 

 given i 



Number of titles 



Number of authors 



