@misc{behl_intelligent_materials_2008, 
author={Behl, M.,Langer, R.,Lendlein, A.},
title={Intelligent Materials: Shape-Memory Polymers},
year={2008},
howpublished = {book part},
note = {Online available at: \url{} (DOI). Behl, M.; Langer, R.; Lendlein, A.: Intelligent Materials: Shape-Memory Polymers. In: Shahinpoor, M.; Schneider, H. (Ed.): Intelligent Materials, Chapter 12. Cambridge: Royal Society of Chemistry. 2008. 301-316.}}