@article{TAM_2005_32_1_a1,
     author = {A. Grillo and G. Zingali and S. Federico and W. Herzog and G. Giaquinta},
     title = {The role of material in homogeneities in biological growth},
     journal = {Theoretical and applied mechanics},
     pages = {21 - 38},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/TAM_2005_32_1_a1/}
}