@article{giachini2020additive, title = {Additive manufacturing of cellulose-based materials with continuous, multidirectional stiffness gradients}, author = {Giachini, P. A. G. S. and Gupta, S. S. and Wang, W. and Wood, D. and Yunusa, M. and Baharlou, E. and Sitti, M. and Menges, A.}, journal = {Science Advances}, volume = {6}, number = {8}, pages = {eaay0929}, year = {2020}, doi = {10.1126/sciadv.aay0929} }