Multi-layered cross-media linking Beat Signer and Moira C. Norrie Return to Link aggregation BIBTEX @inproceedings       {DBLP:conf/ht/SignerN03,   author    = {Beat Signer and                 Moira C. Norrie},    booktitle = {Hypertext},    title     = {Multi-layered cross-media linking.},    pages     = {106-107},    year      = {2003},    url       = {db/conf/ht/ht2003.html#SignerN03},    ee        = {http://doi.acm.org/10.1145/900073},    crossref  = {conf/ht/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery