Geology

PEDERSEN, P.

Kjobenhavn, Bianco Luno, 1853.

SCHOUW, J. F.

Kiøbenhavn, 1832.

LUCIUS, M.

Luxemburg, 1937.

FORBES, CHARLES S.

London, John Murray, 1860.

WEIDICK, ANKER.

Copenhagen, 1968.

FLINT, RICHARD FOSTER.

N.Y., London, (1948).

JOHNSTRUP, F.

Kbhvn., 1882.

STAHL, ALFRED u. ARTUR EBERT.

Bremen-Horn, 1952.

NAUMANN, CARL FRIEDRICH.

Leipzig, Wilhelm Engelmann, 1871.

BARBA, ALBARO (ALVARO) ALONSO.

Franckfurt am Mayn, Johann Friedrich Fleischer, 1739.

GEOLOGICA ROMANA.

Roma, 1970-85.

LARSEN, GUNNAR.

Copenhagen, 1966.

FLINT, RICHARD FOSTER.

N.Y., (1963).

STENO, NICOLAI (STENONIS).

Hafniae, 1952.

MIKKELSEN, VALDEMAR M.

Copenhagen, 1949.

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.