Hernández-León, Santiago, C. Almeida, L. Yebra, J. Arístegui, M. L. Fernández de Puelles, and J. García-Braun. 2001. “Zooplankton Abundance in Subtropical Waters: Is There a Lunar Cycle?”. Scientia Marina 65 (S1):59-64. https://doi.org/10.3989/scimar.2001.65s159.