1. Zeijderveld JV (2018) 5D Printing: a new branch of additive manufacturing. Sculpteo Report
2. Haleem A, Javaid M, Vaishya R (2018) 5D printing and its expected applications in Orthopaedics. J Clin Orthop Trauma
3. Benedict Mitsubishi's ‘5D Printed’ Parts 3–5x stronger than 3D printed counterparts.3D printer and 3D printing news (2016)
4. Scott C, 3D Printing is so last week say hello to “5D printing”at mitsubishi electric research labs!. 3D print.Com, the Voice of 3D Printing/Additive Manufacturing
5. All Answers Ltd. (2018) 4D printing using shape memory polymers. Retrieved from https://ukdiss.com/examples/shape-memory-polymers-4dprinting.php