@article{Katsuhito Soda20192.0540, title={Multivariate analysis of geochemical compositions of bedded chert during the Middle Triassic (Anisian) oceanic anoxic events in the Panthalassic Ocean}, author={Katsuhito Soda and Tetsuji Onoue}, journal={GEOCHEMICAL JOURNAL}, volume={53}, number={2}, pages={91-102}, year={2019}, doi={10.2343/geochemj.2.0540} }