Schwemmler W
J Theor Biol. 1985 Nov 21;117(2):187-208. doi: 10.1016/s0022-5193(85)80217-4.
In view of the available data the present state of biogenesis research will be described. A reconstruction of the primordial cell evolution is carried through the Multistep hypothesis. The modular principle is an important criterion as a macro-mechanism of the evolution.