This paper cites the following (Reference n. 4): “Boscariol, P., Gasparetto, A. and Scalera, L., “Path Planning for Special Robotic Operations,” In: Robot Design: From Theory to Service Applications (Carbone, G. and Laribi, M. A., eds.) (Springer, Cham, 2022) pp. 69–95”.
However, the details of this reference should correctly be given as:
Boscariol, P., Gasparetto, A., Scalera, L. (2023). Path Planning for Special Robotic Operations. In: Carbone, G., Laribi, M.A. (eds) Robot Design. Mechanisms and Machine Science, vol. 123, pp. 69–95. Springer, Cham. https://doi.org/10.1007/978-3-031-11128-0_4.