1) Bennett, H. S., Luft, J. H. & Hampton, J. C. (1959) Morphological classifications of vertebrate blood capillaries. Amer. J. Physiol., 196, 381-390.
2) Bronfenmajer, S., Schaffner, F. & Popper, H. (1966) Fat-storing cells (lipocytes) in human liver. Arch. Path., 82, 447-453.
3) Brooks, S. E. H., & Haggis, G. H. (1973) Scanning electron microscopy of rat's liver: application of freeze-fracture and freeze-drying techniques. Lab. Invest., 29, 60-64.
4) Carr, I. (1968) Some aspects of the fine structure of the reticulo-endothelial system; the cells which clear colloids from the blood stream. Z. Zellforsch., 89, 355-370.
5) Fawcett, D. W. (1955) Observations on the cytology and electron microscopy of hepatic cells. J. nat. Cancer Inst., 15, 1475-1502.