Méndez, J. C., & Bertsch, F. (2011). Total content and nutrients availability in two samples of ash eject by the Turrialba Volcano, Costa Rica in January 2010.
Čikaški stil citiranjaMéndez, Juan Carlos, i Floria Bertsch. Total Content and Nutrients Availability in Two Samples of Ash Eject By the Turrialba Volcano, Costa Rica in January 2010. 2011.
MLA način citiranjaMéndez, Juan Carlos, i Floria Bertsch. Total Content and Nutrients Availability in Two Samples of Ash Eject By the Turrialba Volcano, Costa Rica in January 2010. 2011.
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