Spain discovers four 72-million-year-old dinosaur eggs in Guadalajara, preserved like authentic “time capsules.” ...
Tleuberdina, P. A., Nasyrov, R. N., and Emry, Robert J. 1998. "Research of dinosaurs egg shell and mollusc shell with Electron Spin Resonance Method [ERS]." In ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results