W. Freedman

Effects of experimental crude oil spills on subarctic boreal forest vegetation near Norman Wells, N.W.T., Canada

T. Hutchinson, W. Freedman, 1978 .

Physical and biological effects of experimental crude oil spills on Low Arctic tundra in the vicinity of Tuktoyaktuk, N.W.T., Canada

T. Hutchinson, W. Freedman, 1976 .

EFFECTS OF EXPERIMENTAL CRUDE OIL SPILLS ON TAIGA AND TUNDRA VEGETATION OF THE CANADIAN ARCTIC

T. Hutchinson, W. Freedman, 1975 .

Manganese in Black Crusts on Seneca Sandstone

E. Vicenzi, R. Livingston, J. Giaccai, 2014 .