| Citation | Tovar, H., V. Guillen and M.E. Nakama, 1987, Monthly population size of three guano bird species off Peru, 1953 to 1982.. p. 208-218. In D. Pauly and I. Tsukayama (eds.) The Peruvian anchoveta and its upwelling ecosystem: three decades of change. ICLARM Stud. Rev. 15, 351 p. IMARFE, Callao, Peru; GTZ, GmbH, Eschborn, FRG; and ICLARM, Manila, Philippines. |
| Ref. | Tovar, H., V. Guillen and M.E. Nakama, 1987 |
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| Named Used as Valid | Engraulis ringens |
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