Population ecology of terrestrial orchids - International Orchid Symposium (1990 : South Limburg, Netherlands); Wells, Terry 1935-2008; Willems, Jo H. (The Hague, The Netherlands : SPB Academic Publishing, 1991)
Keywords: ORQUIDEAS -- ECOLOGIA -- CONGRESOS; POBLACIÓN DE ORQUIDEAS -- CONGRESOS; POBLACIÓN DE ORQUIDEAS