North American Paleozoic land snails : with a summary of other Paleozoic nonmarine snails
Alan Solem 1931- Ellis L Yochelson (Ellis Leon) 1928-2006 joint author
Washington U.S. Govt. Print. Off. 1979
Disponible en
MZ - Museu de Zoologia
(564.3(71/72+73) S685n )(Obténgalo)