A Model for the Growth and Flowering of Aster Novae-Angliae on the Basis of Table < 1, 0 > L-Systems. - D. Frijters; Aristid Lindenmayer (L Systems, 1974)

Developmental Dscritions of Branching Patterns with Paracladial Relationships. - D. Frijters; Aristid Lindenmayer (Automata, Languages, Development, 1975)