TY - RPRT TI - Effects of ultraviolet radiation on toad early life stages AU - E. E. Little AU - R.D. Calfee AU - D. L. Fabacher AU - C. Carey AU - V. S. Blazer AU - E.M. Middleton PY - 2003 DO - 10.1065/espr2002.06.123 UR - https://pubs.usgs.gov/publication/1014955 ID - 1014955 ER -