TY  - RPRT
TI  - Construction materials for coal conversion 
AU  - Ondik, Helen M
AU  - Christ, Bruce W
AU  - Shives, T Robert
AU  - Perloff, Alvin
AU  - Beck, Betty A
PY  - 1983
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 642supp1
DO  - 10.6028/NBS.SP.642supp1
ER  -