TY - GEN AU - Darwin , Charles AU - Burrow , J.W. ;ed. TI - The origin of species : by means of natural selection or the presevation of favoured races in the struggle for life SN - 0140432051 U1 - 578.012 PY - 1985/// CY - London PB - Penguin KW - NATURAL SELECTION KW - SPECIES ER -