Drilling wastes by Gillam, A. H., Ray, J. P., Engelhardt, F. R., International Conference on Drilling Wastes, 1 0 Type: Book
Drilling wastes: proceedings of the 1988 international conference … by Gillam, A. H., Ray, J. P., Engelhardt, F. R., International Conference on Drilling Wastes, Calgary) 0 Type: Book
