(1987). V. 6, № 3; The International Journal of Robotics Research. 1987.
Cita Chicago (17th ed.)V. 6, № 3; The International Journal of Robotics Research. 1987, 1987.
Cita MLA (9th ed.)V. 6, № 3; The International Journal of Robotics Research. 1987, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.