I, Vetensl' Alcad . Handi Bd.20}Jg5 



P17 





K' 

 t / - 







w 





:s5jU ni 



GiDiilda Kolthoif d.8liri , a.uctor 'dlrex 



Centräl-Try-cteriet, SiocHiolm. 



E-hodomela inréata 



