TY - RPRT TI - Influence of El NiƱo on lake and river ice cover in the Northern Hemisphere from 1900 to 1995 AU - Dale M. Robertson AU - Randolph Wynne AU - William Y. B. Chang PY - 2000 DO - 10.1080/03680770.1998.11898172 UR - https://pubs.usgs.gov/publication/70157366 ID - 70157366 ER -