1. The control of vessel size and density along the plant axis;Aloni;A new hypothesis. Differentiation,1983
2. The hierarchical organization of plants and the transfer of information during their development;Barlow;Postepy Biologii Komorki,1987
3. The cellular organization of roots and its response to the physical environment;Barlow,1987
4. The role of natural history in contemporary biology;Bartholomew;BioScience,1986
5. Regulators of plant reproduction, growth and differentiation in the environment;Bilderback,1985