Seldam, R.E.J. Ten Histological typing of skin tumours R.E.J. Ten Seldam and E.B. Helwig. - Geneva W.H.O. 1974 - various pagination, ill. 23cm - (International histological classification of tumours, No.12). . ISBN: 9241760125 Dewey Class. No.: 616.99277, / H67H