Halbach, P., Gursky, H. J., Gursky, M. M., Schmidt-Effing, R., & Maresch, W. V. (1992). Field observation of fossil manganese nodules in the the Jurassic to Cretaceous radiolarites of Costa Rica. PANGAEA.
Citazione stile Chigago Style (17a edizione)Halbach, Peter, H J. Gursky, M M. Gursky, R. Schmidt-Effing, e W V. Maresch. Field Observation of Fossil Manganese Nodules in the the Jurassic to Cretaceous Radiolarites of Costa Rica. PANGAEA, 1992.
Citatione MLA (9a ed.)Halbach, Peter, et al. Field Observation of Fossil Manganese Nodules in the the Jurassic to Cretaceous Radiolarites of Costa Rica. PANGAEA, 1992.
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