Plan de manejo para el uso multiple del Cañon de San Lorenzo 1981 Meganck, Richard Albert | Carrera Lopez, Julio |
Tsitika provincial park. Robson bight ecological reserve no. 111 : a brief in support of their establishment 1981
Lancaster Sound Regional Study : background report 1980 Pelletier, B. R. | McKay, D. C. | Maxwell, J. B. | Sowden, J. B. | Smiley, B. D. |
Géosystèmes et paysages : bilan et méthodes 1991 Rougerie, Gabriel | Beruchashvili, N. L. (Nikolaĭ Levanovich) |