Rock characterization :
ISRM Symposium, Eurock ʾ92, Chester, UK, 14-17 September 1992 = Caractérisation des roches = Gesteinsansprache /
edited by J.A. Hudson.

APA Citation

ISRM Symposium (1992 : Chester, E., Hudson, J. A. (John A.)., British Geotechnical Society., International Society for Rock Mechanics. (1992). Rock characterization: ISRM Symposium, Eurock ʾ92, Chester, UK, 14-17 September 1992 = Caractérisation des roches = Gesteinsansprache. London: British Geotechnical Society.

MLA Citation

ISRM Symposium (1992 : Chester, England), J. A. (John A.) Hudson, British Geotechnical Society, and International Society for Rock Mechanics. Rock Characterization: ISRM Symposium, Eurock ʾ92, Chester, UK, 14-17 September 1992 = Caractérisation Des Roches = Gesteinsansprache. London: British Geotechnical Society, 1992.

Warning: These citations may not always be complete (especially for serials).