TY - RPRT TI - Thickness of ice on perennially frozen lakes AU - C.P. McKay AU - G.D. Clow AU - R.A. Wharton AU - S. W. Squyres PY - 1985 DO - 10.1038/313561a0 UR - https://pubs.usgs.gov/publication/70012982 ID - 70012982 ER -