Brygg Ullmer, Hiroshi Ishii. Emerging frameworks for tangible user interfaces. IBM Systems Journal, 39(3&4):915, 2000. [doi]
@article{UllmerI00,
title = {Emerging frameworks for tangible user interfaces},
author = {Brygg Ullmer and Hiroshi Ishii},
year = {2000},
url = {http://www.research.ibm.com/journal/sj/393/part3/ullmer.html},
researchr = {https://researchr.org/publication/UllmerI00},
cites = {0},
citedby = {0},
journal = {IBM Systems Journal},
volume = {39},
number = {3&4},
pages = {915},
}