Matthews, J.P, The pilchard of south west Africa (Sardinops ocellata) : : size composition of the commercial catches in south west Africa, 1952 - 1957 / J. P. Matthews. - 45 páginas : il. - Investigational report; no. 1 . Subjects--Topical Terms: CAPTURA.INDUSTRIA PESQUERA.PECES. Dewey Class. No.: FOLLETOS