Pyrheliometric measurements of the solar radiation in Upsala during the years 1909-1922 together with an introductory survey of the work carried out at the Physical laboratory during the years 1909-1929 and determination of the transmission - of light through the blue and green colour-filters used at the pyrheliometric measurements

Förlag	År	Ort	Om boken	ISBN
Norblads bokh.	1930	Sverige, Uppsala	209s