1. Chemical and Physical Behavior of Human Hair;Robbins,2002
2. The biology of hair care;Draelos;Dermatol. Clin.,2000
3. Melanins and Melanogenesis;Prota,1992
4. Pigment Microbiology;Margalith,1992
5. The electron microscopy of human melanocytes and melanin granules;Barnicot,1958