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- Ratkevich, Ronald Paul,
Ratkevich, Ronald Paul, 1948-, (Nombre personal)
Usado por/ver desde:
- Ratkevich, Ron, 1948-
His Dinosaurs of the Southwest, c1976.
Casanova, R.L. An illustrated guide to fossil collecting, 1981: CIP t.p. (Ronald P. Ratkevich)
nuc90-17016: His Meet New Mexico's state dinosaur, c1986 (hdg. on NmU rept.: Ratkevich, Ronald Paul, 1948- ; usage: Ron Ratkevich)
Amann, Andrew William. Ice Age mammals of the San Pedro River valley, southeastern Arizona, 1998: title page (Ron Ratkevich, Arizona-Sonora Desert Museum, Tucson)