The ecstall story : 78F, 11T, 17R. CAN. INST. MIN. METALL. BULL. V67, N745, MAY, 1974, P50–142

@inproceedings{Mollison1974TheES,
  title={The ecstall story : 78F, 11T, 17R. CAN. INST. MIN. METALL. BULL. V67, N745, MAY, 1974, P50–142},
  author={R. D. Mollison and arke},
  year={1974}
}