TY  - RPRT
TI  - Effect of phase separation on the physical and chemical properties of glasses-density and chemical durability 
AU  - Simmons, Joseph H
AU  - Mills, Susan A
AU  - Howell, Barbara F
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 74-510
DO  - 10.6028/NBS.IR.74-510
ER  -