"Canada.Groupe de travail exploitation pétrole nord. Comité écologique et social." . . "Sols Températures du Nord-Ouest Mackenzie, Vallée du." . . "Sols gelés Territoires du Nord-Ouest Mackenzie, Vallée du." . . . . . . . . . "The thermal regime of the mackenzie valley : observations ot the natural state" . . . . . "The thermal regime of the Mackenzie Valley" . . . "The thermal regime of the Mackenzie Valley: observations of the natural state" . . . . . "The thermal regime of the Mackenzie Valley : observations of the natural state" . "The thermal regime of the Mackenzie valley : observations of the natural state" . . . . . . . . "A baseline study of the thermal regime of the proposed Mackenzie Valley pipeline area, including methods of measurement." . . . "Publications officielles" . "The thermal regime of the Mackenzie Valley : observations ot the natural state" . "Thermal Regime of the Mackenzie Valley: Observations of the Natural State" . . . . .