R Gallop, J2014-07-312014-07-3119841467-8659https://doi.org/10.1111/j.1467-8659.1984.tb00073.xReport on the 7th Meeting of ISO/TC97/SC5/WG2 - Computer Graphics June 198410.1111/j.1467-8659.1984.tb00073.x233-238