1. Breeding distribution and population size of the dark-rumped petrel Pterodroma phaeopygia at Sta. Cruz Island, Galapagos;Baker;Charles Darwin Research Station 1980 Annual Report,1980
2. Report on the dark-rumped petrel Pterodroma phaeopygia monitoring program on Sta. Cruz Island, Galapagos;Bass;Charles Darwin Research Station 1980 Annual Report,1980
3. Estructura de la población de cabras salvajes Capra hircus L. y los daños causados en la vegetación de la Isla San Salvador, Galapagos;Calvopiña;Revta Univ. Catol.,1975
4. The biology and control of Feral pigs on Isla Santiago, Galapagos, Ecuador;Coblentz,1984
5. The dark-rumped petrel, Pterodroma phaeopygia, on Isla Floreana Galapagos;Coulter;Charles Darwin Research Station 1981 Annual Report,1981