TY - RPRT TI - The role of permafrost and seasonal frost in the hydrology of northern wetlands in North America AU - M.-K. Woo AU - Thomas C. Winter PY - 1993 DO - 10.1016/0022-1694(93)90043-9 UR - https://pubs.usgs.gov/publication/70017803 ID - 70017803 ER -