@article{237636, author = {Scott Jones and Richard Buswell and Wilson Leal and Justin Dirrenberger}, title = {3D printing using concrete extrusion: a roadmap for research}, year = {2018}, month = {2018-06-14}, publisher = {Cement and Concrete Research}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=924709}, language = {en}, }