Causas de erocion en playas de Tijuana, BC, durante el periodo 1975-1985 = Erosion causes in playas de Tijuana, BC,during 1975-1985 /
Causas de erocion en playas de Tijuana, BC, durante el periodo 1975-1985 = Erosion causes in playas de Tijuana, BC,during 1975-1985 /
Adolfo Gonzalez Calvillo [et al.]
- pag. 82