The ecology of Echinococcus multilocularis Leuckart, 1863, (Cestoda : Taeniidae) on St. Lawrence Island, Alaska - I. Background and rationaleF. H. FayAnn. Parasitol. Hum. Comp., 48 4 (1973) 523-542DOI: https://doi.org/10.1051/parasite/1973484523