https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=194988
Rechercher Frisch, T; Rechercher Jackson, G D; Rechercher Glebovitsky, V A; Rechercher Yefimov, M M; Rechercher Bogdanova, M N; Rechercher Parrish, R R
Périodique (revue)