International Pneumoconioses Conference Pittsburgh, Pa. Proceedings of the VIIth International Pneumoconioses Conference: Pittsburgh, Pennsylvania, USA - August 23 - 26, 1988 = Transactions de la VIIe Conférence Internationale sur les Pneumoconioses. US Dep. of Commerce, Nat. Technical Information Service.
Chicago-Zitierstil (17. Ausg.)International Pneumoconioses Conference Pittsburgh, Pa. Proceedings of the VIIth International Pneumoconioses Conference: Pittsburgh, Pennsylvania, USA - August 23 - 26, 1988 = Transactions De La VIIe Conférence Internationale Sur Les Pneumoconioses. Springfield, VA: US Dep. of Commerce, Nat. Technical Information Service.
MLA-Zitierstil (9. Ausg.)International Pneumoconioses Conference Pittsburgh, Pa. Proceedings of the VIIth International Pneumoconioses Conference: Pittsburgh, Pennsylvania, USA - August 23 - 26, 1988 = Transactions De La VIIe Conférence Internationale Sur Les Pneumoconioses. US Dep. of Commerce, Nat. Technical Information Service.