Morelet, M., & Sigaud, P. (1996). Observations on a poplar leaf infection occuring in north-east China: The grey spot disease. Zenodo.
Citace podle Chicago (17th ed.)Morelet, M., a P. Sigaud. Observations on a Poplar Leaf Infection Occuring in North-east China: The Grey Spot Disease. Zenodo, 1996.
Citace podle MLA (9th ed.)Morelet, M., a P. Sigaud. Observations on a Poplar Leaf Infection Occuring in North-east China: The Grey Spot Disease. Zenodo, 1996.
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