Homogenization design method for biomorphic composite materials
R.H.W. Hoppe, S. Petrova, Journal of Computational Methods in Sciences and Engineering 4 (2004) 87–96.

Optimal shape design in biomimetics based on homogenization and adaptivity
R.H.W. Hoppe, S. Petrova, Mathematics and Computers in Simulation 65 (2004) 257–272.