Mining with backfill
- 464 stránek
- 17 hodin čtení
The Proceedings of the 3rd Western Conference on Precious Metals , Coal and Environment . Society on Mining with Backfill , held in Lulea , Sweden , on June 7-9 , 1983.
S. Granholm Knihy
Do Vánoc stíháš objednat ještě 1 den a 5 hodin.
