Obras Completas / Adolfo Ernst (compilación por Blas Bruni Celli; coordinador de la edición, Miguel Suárez), tomo I-X, complete
by Ernst, Adolfo
$ 1,250.00
Observations on Pacific Cetaceans of Californian and Mexican Waters
by Norris, Kenneth S. and Prescott, John H.
$ 20.00
Observations on the Genus Mesembryanthemum, in Two Parts, containing scientific descriptions of above one hundred and thirty species
by Haworth, Adrian Hardy
$ 1,850.00
Observations sur les Tortues terrestres et paludines de Bassin de la Mediterranee
by Lortet, L.
$ 1,600.00
Observations sur les Variations Accidentelles du Mode survant lequel les Feuilles sont distribuées sur les Tiges des Végétaux
by Dutrochet, M.
$ 12.00
Observing Whales: Participation of the Netherlands mariners in the Whale Research Project has proved a great success – after three years, 4500 reports with about 3500 observations
by Slijper, E. J. and Utrecht, W. L. van
$ 15.00
Oceanography IV. The Work of the Carnegie and Suggestions for Future Scientific Cruises,
by Ault, Captain J.P.
$ 16.00
