Geology

FORBES, CHARLES S.

London, John Murray, 1860.

JOHNSTRUP, F.

Kbhvn., 1882.

STAHL, ALFRED u. ARTUR EBERT.

Bremen-Horn, 1952.

GEOLOGICA ROMANA.

Roma, 1970-85.

WEIDICK, ANKER.

Copenhagen, 1968.

FLINT, RICHARD FOSTER.

N.Y., London, (1948).

NAUMANN, CARL FRIEDRICH.

Leipzig, Wilhelm Engelmann, 1871.

PLAYFAIR, JOHN. - ON THE SCHEHALLIEN MOUNTAIN.

(London, Bulwer and Co., 1811).

PRESTWICH, JOSEPH.

(London, Harrison and Sons, 1893).

SAUNDERS, ROBERT.

Berlin, Vossischen Buchhandlung, 1790.

LULL, RAIMUNDUS & ALBERTUS MAGNUS.

(Argentorati (Strassbourg) apud Balthassarum Beck), 1541.

CURIE, P. (PIERRE) et A. DEBIERNE. - MEASURING ABSOLUTE TIME FOR THE FIRST TIME

(Paris, Gauthier-Villars), 1901.

STENO (STENONIS STENSEN), NICOLAI (NIELS).

Hafniae, 1952.

HOFFMANN, FRIEDRICH. - "THE GEOLOGY OF ROME"

(Leipzig, Johann Ambrosius Barth, 1829).

EINSTEIN, ALBERT (+) NIELS BOHR.

Berlin, Julius Springer, 1926.

SCORESBY, WILLIAM.

(Paris, Crochard, 1817).

BARBA, ALBARO (ALVARO) ALONSO.

Franckfurt am Mayn, Johann Friedrich Fleischer, 1739.

RICHTHOFEN, FERDINAND von.

Berlin, Robert Oppenheim, 1886.