Yazar
j p j ravn
8 cilt bulundu.
J. P. J. Ravn · A.F. Høst & Søn
48 sayfa · 1927
Paleontology / Sea urchins, Fossil / Fossil Sea urchins
J. P. J. Ravn · A.F. Høst & Søn
62 sayfa · 1928
Paleontology / Sea urchins, Fossil / Fossil Sea urchins
J. P. J. Ravn · C. A. Reitzel
15 sayfa · 1933
Geology / Geology, Stratigraphic / Stratigraphic Geology
J. P. J. Ravn · Levin & Munksgaard
71 sayfa · 1933
Paleontology / Bivalvia, Fossil / Gastropoda, Fossil / Fossil Bivalvia / Fossil Gastropoda
Allard W. Martinius, J. A. Howell, R. J. Steel, J. P. Wonham, R. Ravn�s · Wiley & Sons, Incorporated, John
712 sayfa · 2014
Sedimentary structures / Geology, stratigraphic, pliocene / Geology, stratigraphic, eocene / Petroleum, geology / Geology, norway
Davydd J. Greenwood, Johan E. Ravn, Koen P. R. Bartels · Elgar Publishing Limited, Edward
352 sayfa · 2025
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