A petrological-mineralogical code for computer use
By: edited by R. K. Harrison and P. A. Sabine.
Contributors: Sabine, P. A. 1924-
Series: Report / Institute of Geological Sciences -- 70/6
Publisher: H.M.S.O
Published: 1970
Place of publication: London
Language: eng
Number of pages: 134
Subjects: Rocks -- Classification and nomenclature.
Notes: Summary in English, French, Spanish, German & Russian.

bibl p6-7.