Ramírez-Félix, Evlin, and Héctor G Manzano-Monroy. 2004. “Modelling the Use of Two Fishery Access Rights, Concessions and Licences, in the Red Sea Urchin, Strongylocentrotus Franciscanus (Agassiz), Fishery at Santo Tomás, Baja California, Mexico”. Ciencias Marinas 30 (4):547-60. https://doi.org/10.7773/cm.v30i4.343.