TY - JOUR AU - Scott Jones AU - Richard Buswell AU - Wilson Leal AU - Justin Dirrenberger C2 - Cement and Concrete Research DA - 2018-06-14 LA - en PB - Cement and Concrete Research PY - 2018 TI - 3D printing using concrete extrusion: a roadmap for research UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=924709 ER -