1. The optical and electron microscopic determination of pulmonary asbestos fibre concentration, and its relation to the human pathological reaction;Ashcroft, T.; Heppleston, A.G.;Journal of Clinical Pathology,1973
2. Bohlig, H., and Hain, E. (1973). Cancer in relation to environmental exposure. In Biological Effects of Asbestos, edited by P. Bogovski et al., pp. 217-221. International Agency for Research on Cancer, Lyons.
3. Asbestosis and primary intrathoracic neoplasms. A nnals of the;Buchanan, W.D.;New York Academy of Science,1965
4. The quantitation of asbestos in tissue (abstract);Gold, C.;Journal of Clinical Pathology,1968
5. Mesothelioma Register 1967-68;Greenberg, M.; Davies, T.A.L.;British Journal of Inda-strial Medicine,1974