TY  - BOOK
AU  - Robert H. S. Robertson, comp.
TI  - A glossary of clay trade names
PY  - 1954///
CY  - Mineralogical society of Great Britain of Ireland
PB  - Glasgow
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=2319
ER  -