Παραπομπή APA

Alfonso, P., Martínez Cruz, M., Canet, C., Delgado, H., Fernández, E., & Sáenz, W. (2015). Sulphur isotopic composition of volcanic gases from Poás and Turrialba volcanoes, Costa Rica.

Παραπομπή Chicago Style

Alfonso, P., María Martínez Cruz, C. Canet, H. Delgado, Erick Fernández, και Wendy Sáenz. Sulphur Isotopic Composition of Volcanic Gases From Poás and Turrialba Volcanoes, Costa Rica. 2015.

Παραπομπή MLA

Alfonso, P., et al. Sulphur Isotopic Composition of Volcanic Gases From Poás and Turrialba Volcanoes, Costa Rica. 2015.

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