Geology

FORCHHAMMER, G.

(København, 1826).

FORCHHAMMER, G.

(København, 1825).

PEDERSEN, P.

Kjobenhavn, Bianco Luno, 1853.

SCHOUW, J. F.

Kiøbenhavn, 1832.

PRESTWICH, JOSEPH.

(London, Harrison and Sons, 1893).

LARSEN, GUNNAR.

Copenhagen, 1966.

FLINT, RICHARD FOSTER.

N.Y., (1963).

STENO, NICOLAI (STENONIS).

Hafniae, 1952.

MIKKELSEN, VALDEMAR M.

Copenhagen, 1949.

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.

GEOLOGICA ROMANA.

Roma, 1970-85.

LULL, RAIMUNDUS & ALBERTUS MAGNUS.

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

PLAYFAIR, JOHN. - ON THE SCHEHALLIEN MOUNTAIN.

(London, Bulwer and Co., 1811).