1. Nanosystems, molecular machinery, manufacturing and computation;Drexler,1992
2. Materials in biological systems;Schmidt,1994
3. Aebi U, Engel A, editors. From bones to atoms. Basil: Bauer Druck, 1996.
4. Biofilm formation as microbial development;O’Toole;Ann Rev Microbiol,2000
5. Community, structure and co-operation in biofilms;Allison,2000