Tor Ørvig: On the mesozoic field of Andøya.
1. notes on the ichthyosaurian remains collected in 1952.
With remarks on the age of the vertebrate-bearing beds.
Acta Borealia. A. Scientia. No 4.
Tromsø Museum 1953. 8vo. 32 + Pl. I-V. s. Orig. omslag. Rikt illustrert.