304,857 INTERNATIONAL Second international symposium on silica, silicosis and cancer / guest eds. David F. Goldsmith [et al.].-[Helsinki : Finnish Institute of Occupational Health], 1995. - 120 s. : wykr. ; 27 cm (Scandinavian Journal of Work, Environment and Health, ISSN 0355-3140 ; vol. 21, suppl. 2)