TY  - RPRT
TI  - Mafic and ultramafic xenoliths from volcanic rocks of the Western United States
AU  - H. G. Wilshire
AU  - C.E. Meyer
AU  - J. K. Nakata
AU  - L. C. Calk
AU  - J.W. Shervais
AU  - J. E. Nielson
AU  - E.C. Schwarzman
PY  - 1988
DO  - 10.3133/pp1443
UR  - https://pubs.usgs.gov/publication/pp1443
ID  - pp1443
ER  -