TY  - RPRT
TI  - Toughening mechanisms in ceramic composites- semi-annual progress report for the period ending March 31, 1989 
AU  - Fuller, E R Jr
AU  - Butler, E P
AU  - Krause, R F Jr
AU  - Vaudin, M D
PY  - 1989
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 89-4111
DO  - 10.6028/NIST.IR.89-4111
ER  -