Lewis III H. W., Goel N. S., Thompson R. L.Simulation of cellular compaction and internalization in mammalian embryo development II. Models for spherical embryos Bull. Math. Biol. – 1988. 50, N.2. – Pp.121 – 142.
Goel N. S., Doggenweiler C. F., Thompson R. L.Simulation of cellular compaction and internalization in mammalian embryo development as driven by minimization of free energy Bull. Math. Biol. – 1986. 48, N.2. – Pp.167 – 187.