TY  - RPRT
TI  - Geophysics and petrology of the deep crust and upper mantle; a workshop
AU  - S. H. Kirby
AU  - J. E. Nielson-Pike
PY  - 1987
DO  - 10.3133/cir956
UR  - https://pubs.usgs.gov/publication/cir956
ID  - cir956
ER  -