Thomas S. Tullis, Ana Pons. Designating Required vs. Optional Input Fields. In CHI Extended Abstracts. pages 259-260, 1997. [doi]
@inproceedings{TullisP97, title = {Designating Required vs. Optional Input Fields}, author = {Thomas S. Tullis and Ana Pons}, year = {1997}, url = {http://www.acm.org/sigchi/chi97/proceedings/poster/tst1.htm}, researchr = {https://researchr.org/publication/TullisP97}, cites = {0}, citedby = {0}, pages = {259-260}, booktitle = {CHI Extended Abstracts}, }