evidence: Fronteras en el tiempo y el espacio: Las "plazas menores" de soberanía [...] Spanish territories in North Africa, also known as places of sovereignty, are among the best examples in the world of spatio-temporal boundaries, in other words, historical border places of peace and war between parties as different and contradictory as Europe and Africa. [...] Mariñas Otero, Eugenio, 1998, "Las Plazas menores de soberanía española en África", Militaria, Madrid, UCM Publication Services, No. 12. [ Links ]