1
Mineral waste utilization symposium 0003: proceedings : Chicago, IL, 14.03.72-16.03.72 : Industrail wastes, scrap metal, mining wastes, municipal refuse.
Book
2
Mineral waste utilization symposium 0002: proceedings : Chicago, IL, 18.03.70-19.03.70 : Industrial wastes, scrap metal, mining wastes, municipal refuse.
Book