TY  - BOOK
AU  - Hedvall, J. Arvid and Helmerson, B
TI  - Nya anvandningsomraden for icke malmforande svenska mineral
PY  - 1949///
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=1671
ER  -