1. FLESCH, P. and ESODA, E. C. J.1964. Chemical anomalies in pathological horny layers. In:TheEpidermis.Edit. MONTAGNA, W. and LOBITZ, W. C. Academic Press, New York. pp. 539–550.
2. JARRETT, A. and SPEARMAN, R. I. C.1964.HistochemistryoftheSkin:Psoriasis.Eng. Univ. Press, London.
3. KLIGMAN, A. M.1963. The uses of sebum. In:AdvancesinBiologyofSkin4.TheSebaceousGlands.Edit. MONTAGNA, W., ELLIS, R. A. and SILVER, A. F. Pergamon Press, Oxford. pp. 110–124.
4. LEVER, W. F.1961.Histopathologyoftheskin.3rdEdit. Lipponcott, Philadelphia.
5. LING, J. K.1965. Hair growth and moulting in the southern Elephant seal (Mirounga leonina L). In:BiologyoftheSkinandHairGrowth.Edit. LYNE, A. G. and SHORT, B. F. pp. 525–544. Angus and Robertson, Sydney.