@article{Fritz_Aitken_McIlreath_Ludvigsen_1990, title={"The Burgess Shale:" Not in the Shadow of the Cathedral Escarpment}, volume={17}, url={https://journals.lib.unb.ca/index.php/GC/article/view/3661}, number={2}, journal={Geoscience Canada}, author={Fritz, W. H. and Aitken, J. D. and McIlreath, I. A. and Ludvigsen, R.}, year={1990}, month={Jun.} }