@inproceedings{inproceedings82b6ecb0,
title   = {Tegram: a tutoring system of plane geometry based on tegram},
author = {Turine, M A S and Nunes, Maria das Graças Volpe},
year = {1995},
publisher = {Icmsc-Usp},
booktitle   = {Workshop de Dissertacoes Defendidas do Sce-Icmsc}
}