TY  - RPRT
TI  - Shocked quartz grains at the Cretaceous-Tertiary boundary - Not volcanic or atmospherically transported
AU  - R. Seitz
AU  - B.F. Bohor
PY  - 1988
DO  - 10.1007/bf00367322
UR  - https://pubs.usgs.gov/publication/70014371
ID  - 70014371
ER  -