Vivian W.Y. Tam, Mahfooz Soomro, Ana Catarina Jorge Evangelista, A review of recycled aggregate in concrete applications (2000–2017), Construction and Building Materials, Volume 172, 2018, Pages 272-292, ISSN 0950-0618, https://doi.org/10.1016/j.conbuildmat.2018.03.240.

Jay G. Sanjayan, Behzad Nematollahi, Ming Xia, Taylor Marchment, Effect of surface moisture on inter-layer strength of 3D printed concrete, Construction and Building Materials, Volume 172, 2018, Pages 468-475, ISSN 0950-0618, https://doi.org/10.1016/j.conbuildmat.2018.03.232

M. Li, J. Lu, Z. Chen, K. Amine, Adv. Mater. 2018, 30, 1800561. https://doi.org/10.1002/adma.201800561