Geology

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LUCIUS, M.

Luxemburg, 1937.

FORBES, CHARLES S.

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WEIDICK, ANKER.

Copenhagen, 1968.

FLINT, RICHARD FOSTER.

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NAUMANN, CARL FRIEDRICH.

Leipzig, Wilhelm Engelmann, 1871.

BARBA, ALBARO (ALVARO) ALONSO.

Franckfurt am Mayn, Johann Friedrich Fleischer, 1739.

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Roma, 1970-85.

LARSEN, GUNNAR.

Copenhagen, 1966.

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Hafniae, 1952.

MIKKELSEN, VALDEMAR M.

Copenhagen, 1949.