1. Allenspach, A. L. (1976), Acid phosphatase activity in embryonic chick oeso-phagus lacking ‘programmed cell death’ (crooked neck dwarf mutant). Cytobiologie, 12, 356–362.
2. Allison, A.C. (1969), Lysosomes and cancer. In Lysosomes in Biology and Pathology, Vol. 2 (eds. J.T. Dingle and H.B. Fell ), North-Holland Publishing Co., Amsterdam and London, pp. 178 - 204.
3. Allison, A. C. and Young, M. R. (1969), Vital staining and fluorescence microscopy of lysosomes. In Lysosomes in Biology and Pathology, Vol. 2 (eds. J. T. Dingle and H. B. Fell ), North-Holland Publishing Co., Amsterdam and London, pp. 600–628.
4. Arees, E. A. and Äström, K. E. (1977), Cell death in the optic tectum of the developing rat. Anat. Embryol, 151, 29–34.
5. Ashford, T. P. and Porter, K. R. (1962), Cytoplasmic components in hepatic cell lysosomes. J. Cell Biol, 12, 198.