False rings in jack pine and black spruce trees from eastern Manitoba as indicators of dry summers.Published in:Canadian Journal of Forest Research, 2009, v. 39, n. 9, p. 1722, doi. 10.1139/X09-088By:Hoffer, Melissa;Tardif, Jacques C.Publication type:Article
Past experience and behavioral choice among wilderness users.Published in:Journal of Leisure Research, 1998, v. 30, n. 2, p. 195, doi. 10.1080/00222216.1998.11949826By:McFarlane, Bonita L.;Boxall, Peter C.;Watson, David O.Publication type:Article