There has been data ("Occupational Exposures at a Complex Non-ferrous Metal Smelter, Humberside, UK: Derivation of an Occupational Exposure Matrix for a Complex Non-ferrous Metal Smelter, Humberside, UK - ISBN-13 978-0-9541684-4-5") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Thu Dec 26 08:57:40 2019, so the data displayed here has been removed .