https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=134090
Rechercher Gordey, S P; Rechercher Geldsetzer, H H J; Rechercher Morrow, D W; Rechercher Bamber, E W; Rechercher Henderson, C M; Rechercher Richards, B C; Rechercher Mcgugan, A; Rechercher Gibson, D W; Rechercher Poulton, T P
1991
Rapport