@InCollection{Timmerer2008e,
author = {Timmerer, Christian and Hellwagner, Hermann},
booktitle = {Encyclopedia of Multimedia},
publisher = {Springer},
title = {MPEG-21 Multimedia Framework},
year = {2008},
address = {Berlin, Heidelberg, New York},
edition = {2},
editor = {Furht, Borko},
month = oct,
pages = {463-469},
isbn10 = {0387747249},
isbn13 = {978-0387747248},
language = {EN},
pdf = {https://www.itec.aau.at/bib/files/Encyclopedia_MM_M21_pre.pdf}
}