TY  - BOOK
AU  - Erlin,Bernard
AU  - Stark,D.
ED  - American Society for Testing and Materials.
ED  - Symposium on Petrography Applied to Concrete and Concrete Aggregates
TI  - Petrography applied to concrete and concrete aggregates
T2  - STP
SN  - 0803114524
U1  - 620.136 
PY  - 1990///
CY  - Philadelphia, PA
PB  - ASTM
KW  - Concrete
KW  - Testing
KW  - Congresses
KW  - Aggregates (Building materials)
KW  - Petrology
ER  -