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Lawson, R. I.

A system for the computer storage and retrieval of petrographical and related data / R. I. Lawson, J. R. Hawkes and J. Dangerfield. - London: Her Majesty's Stationery Office, 1976. - iii, 42 p. : tables ; 30 cm. - Institute of Geological Sciences : Natural Environment Research Council. 75/5 .

Includes bibliographical references (p. 6-7).

ISBN: 0118807250

Subjects--Topical Terms:
Petrography

Dewey Class. No.: 621.39021