1. Ontario Geological Survey;Card,1984
2. Chai , G. O. R. Eckstrand Origin of the Sudbury Igneous Complex, Ontario - differentiate of two separate magmas Current Research, Part E: Geological Survey of Canada, Paper 93-IE 219 230
3. Guidebook;Dressler,1992
4. Origin of the Sudbury complex by meteoritic impact: neodymium isotopic evidence;Faggart;Science,1985
5. Ontario Geological Survey;Giblin,1984