The Triassic/Jurassic boundary in Continental rocks of eastern North America; a progress report. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors)
Reference:
Olsen,P.E. et al. (1990)
The Triassic/Jurassic boundary in Continental rocks of eastern North America; a progress report. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) Geological Society of America, Special Paper
# 247 P. 585- 593