https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=134091
Rechercher Monger, J W H; Rechercher Wheeler, J O; Rechercher Tipper, H W; Rechercher Gabrielse, H; Rechercher Harms, T; Rechercher Struik, L C; Rechercher Campbell, R B; Rechercher Dodds, C J; Rechercher Gehrels, G E; Rechercher O'brien, J
1991
Rapport