R. F. José and M. R. Guerreiro,  "The roots of 4IR in architecture: a military drawing machine used for space perception in architecture", in eCAADe SIGraDI 2019: Architecture in the Age of the 4th Industrial Revolution, Sousa, JP, Henriques, GC and Xavier, JP, Ed., Porto, ECAADE-EDUCATION & RESEARCH COMPUTER AIDED ARCHITECTURAL DESIGN EUROPE, 2019, vol. 1, pp. 397-406