TY - RPRT TI - The role of the egg jelly coat in protecting Hyla regilla and Bufo canorus embryos from Ultraviolet B radiation during development AU - L.J. Hansen AU - D. L. Fabacher AU - R. Calfee PY - 2002 DO - 10.1007/bf02987591 UR - https://pubs.usgs.gov/publication/70023891 ID - 70023891 ER -