(1962). International symposium on mining research: Proceedings of a symposium held at the University of Missouri, February 1961. Oxford: Pergamon Press.
Παραπομπή Chicago StyleInternational Symposium On Mining Research: Proceedings of a Symposium Held At the University of Missouri, February 1961. Oxford: Pergamon Press, 1962.
Παραπομπή MLAInternational Symposium On Mining Research: Proceedings of a Symposium Held At the University of Missouri, February 1961. Oxford: Pergamon Press, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.