Geographical gradients of dissolved vitamin B12 in the Mediterranean sea /Bonnet, Sophie Tovar-Sanchez, A. Panzeca, C. Duarte, C.M. Ortega-Retuerta, E. Sanudo-Wulhelmy, S.A. MILIEU MARIN PHYTOPLANCTON BACTERIE CROISSANCE FACTEUR LIMITANT CHLOROPHYLLE VITAMINE B12 2013 text https://www.documentation.ird.fr/hor/fdi:010060200 fdi:010060200 Bonnet Sophie, Tovar-Sanchez A., Panzeca C., Duarte C.M., Ortega-Retuerta E., Sanudo-Wulhelmy S.A.. Geographical gradients of dissolved vitamin B12 in the Mediterranean sea. 2013, 4, no 00126 [10 ] EN MEDITERRANEE