Pynciau a Argymhellir O fewn eich chwiliad
Pynciau a Argymhellir O fewn eich chwiliad
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1gan Bosch, Willem Johannes van den, 1944-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1969Leiden : J.J. Groen en Zoon, [1969]p. 137-225 : ill., maps (some col.) ; 27 cm. -
2gan Koopmans, Bastiaan Nicolaas, 1933-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1962Leiden, E. Ijdo [1962]232 p. illus., maps (part col.) 27 cm. -
3gan Mohanti, Manmohan### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1972Leiden : J.J. Groen en Zoon, [1972?]p. [135]-184, 10 leaves of plates ; ill. ; 27 cm. -
4gan Evers, Herman Johan, 1938-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 19671967.[83]-151 p. illus., maps. -
5The geology of the Valderrueda, Tejerina, Ocejo and Sabero coal basins (Cantabrian Mountains, Spain)gan Helmig, Harm Moed, 1931-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1965Leiden : J.J. Groen, [1965]p. 79-149, 3 folded leaves of plates : ill. ; 27 cm. -
6gan Savage, John Francis, 1928-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1967Leiden : J.J. Groen, 1967.p. [193]-247 : ill. ; 27 cm. + 3 fold. maps inserted at end in pocket. -
7gan Graaff, Willem Jacob Evert van de### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1971[Groningen : Rijksuniversiteit Groningen, 1971]p. [157]-215, 9 leaves of plates : ill., diagrs, maps ; 27 cm. -
8gan Loon, A. J. van, 1944-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Cyhoeddwyd 1972Leiden, Uitgave van het Geologisch en Mineralogisch Instituut der Rijksuniversiteit te Leiden, 1972.133 p. illus. 27 cm.