TY  - BOOK
AU  - Sawai, Ikutaro and Inoue, Shukichi
TI  - Specific gravity of CaO-Na2O-SiO2 glass at high temperature, pt.I- IV
PY  - 1937///
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=4375
ER  -