Gertsch, Willis J. 1906-1998
Studies of North American scorpions of the genera Uroctonus and Vejovis (Scorpionida, Vejovidae) / Willis J. Gertsch, Michael Soleglad. -- New York : [s.n.], 1972 - p. 549-608. -- (Bulletin of the American Museum of Natural History ; 148,4).
Aracrán
595.4
Studies of North American scorpions of the genera Uroctonus and Vejovis (Scorpionida, Vejovidae) / Willis J. Gertsch, Michael Soleglad. -- New York : [s.n.], 1972 - p. 549-608. -- (Bulletin of the American Museum of Natural History ; 148,4).
Aracrán
595.4