@article{Lydon_1984, title={Ore Deposit Models - 8. Volcanogenic Massive Sulphide Deposits Part I: A Descriptive Model}, volume={11}, url={https://journals.lib.unb.ca/index.php/GC/article/view/3396}, number={4}, journal={Geoscience Canada}, author={Lydon, John W.}, year={1984}, month={Dec.} }