1. Alberch, P., Gould, S. J., Oster, G. F., and Wake, D. B., 1979, Size and shape of ontogeny and phylogeny, Paleobiology
5: 296–317.
2. Ambros, V., and Fixsen, W., 1987, Cell lineage variation among nematodes, in: Development as an Evolutionary Process (R. Raff and E. Raff, eds.), Liss, New York, pp. 139–160.
3. Ambros, V., and Horvitz, J. R., 1984, Heterochronic mutants of the nematode Caenorhabditis elegans. Science
226:409–416.
4. Ambros, V., and Horvitz, H. R., 1987, The lin-14 locus of Caenorhabditis elegans controls the time of expression of specific postembryonic development events, Genes Dev.
1: 398–414.
5. Brenner, S., 1974, The genetics of Caenorhabditis elegans, Genetics 77: 71–94.