Transcription:
GERNANDT, H[ans]-O[tto
Se: Chalmers tekniska högskolas handlingar./
Uerv. Sv.
Faskok
Tekn., Göteborg. Ekelmrs tekn. Lvsb.
100. New uses for Swedish minerals other than ores...by J.Arvid Hedvall.
... and 1. Akesson. 1950.