TY  - RPRT
TI  - Statistical, economic and other tools for assessing natural aggregate
AU  - J. D. Bliss
AU  - P. R. Moyle
AU  - K. S. Bolm
PY  - 2003
DO  - 10.1007/s10064-002-0152-7
UR  - https://pubs.usgs.gov/publication/70026057
ID  - 70026057
ER  -