@misc{lendlein_shapememory_polymers_2005, 
author={Lendlein, A.,Kelch, S.,Kratz, K.,Schulte, J.},
title={Shape-memory Polymers},
year={2005},
howpublished = {book part},
doi = {https://doi.org/10.1016/B0-08-043152-6/02033-7},
note = {Online available at: \url{https://doi.org/10.1016/B0-08-043152-6/02033-7} (DOI). Lendlein, A.; Kelch, S.; Kratz, K.; Schulte, J.: Shape-memory Polymers. In: Buschow, K.; Cahn, R.; Flemings, M.; Kramer, E.; Mahajan, S.; Veyssiere, P. (Ed.): Encyclopedia of Materials: Science and Technology  (Second Edition). Oxford: Elsevier. 2005. 1-9. DOI: 10.1016/B0-08-043152-6/02033-7}}