2023-06-142023-06-141980-12https://hdl.handle.net/2346/9438620 pdf pages.application/pdfPublic Domain, Open for Research.Antarctica Research PeriodicalsAntarctica PeriodicalsNational Science Foundation (U.S.). Office of Polar ProgramsAntarctic Journal of the United States, Volume 15, Number 4, December 1980Text38161315