Geology

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Millau, Artieres et Maury, 1936.

MØN - PUGGAARD, CHRISTOPHER.

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NIELSEN, NIELS.

Copenhagen, Munksgaard,1933.

OLSEN, SIGURD.

Lund, Kbhvn., 1955.

MUNTHE, H., H.E. JOHANSSON, R. SANDEGREN.

Göteborg, 1924.

SVOBODA, JOSEF et al.

Praha, 1966-68.

RINK, H.

(København, Bianco Luno, 1853).

BALLARD, ROBERT & JAMES G. MOORE.

N.Y., Springer-Verlag, (1977).

RECK, HANS.

(Berlin, Königl. Akademie der Wissenschaften, 1910.

USSING, N.V.

København, 1913.

METZ, RUDOLF.

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MAGNUSSON, NILS H.

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GRIPP, KARL.

Stuttgart, 1915.

RASMUSSEN, LEIF BANKE.

Copenhagen, 1966.

CHENEVIX, RICHARD. - ATTACKING WERNER'S MINERALOGICAL SYSTEM.

Paris, Chez Bernard, 1808.

KUENEN, P.H.

London, 1955.

GEIJER, PER.

Stockholm, 1936.

HÖGBOM, A.G.

Stockholm, 1910.