Monge-Nájera, J., González, M. I., Rivas Rossi, M., & Méndez-Estrada, V. H. (2002). Twenty years of lichen cover change in a tropical habitat (Costa Rica) and its relation with air pollution.
Chicago-tyylinen lähdeviittausMonge-Nájera, Julián, María I. González, Marta Rivas Rossi, ja Víctor Hugo Méndez-Estrada. Twenty Years of Lichen Cover Change in a Tropical Habitat (Costa Rica) and Its Relation With Air Pollution. 2002.
MLA-viiteMonge-Nájera, Julián, María I. González, Marta Rivas Rossi, ja Víctor Hugo Méndez-Estrada. Twenty Years of Lichen Cover Change in a Tropical Habitat (Costa Rica) and Its Relation With Air Pollution. 2002.
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