Citation: Ta. Farrell et Jl. Marion, Identifying and assessing ecotourism visitor impacts at eight protected areas in Costa Rica and Belize, ENVIR CONS, 28(3), 2001, pp. 215-225
Citation: Yf. Leung et Jl. Marion, Assessing trail conditions in protected areas: application of a problem-assessment method in Great Smoky Mountains National Park, USA, ENVIR CONS, 26(4), 1999, pp. 270-279
Citation: Yf. Leung et Jl. Marion, Characterizing backcountry camping impacts in Great Smoky Mountains National Park, USA, J ENVIR MGM, 57(3), 1999, pp. 193-203
Citation: Jl. Marion, On the divine name - How not to speak of a "negative theology" - A question of negation in Christian ontology, LAVAL THEOL, 55(3), 1999, pp. 339-363
Citation: Jl. Marion, The status of philosophical studies in the journal '17e siecle' on its fiftieth anniversary: achievements, deficiencies and proposals for the future, DIX-SEPT S, (203), 1999, pp. 227-233