(1990). V. 9, № 5; The International Journal of Robotics Research. 1990.
Cita Chicago (17th ed.)V. 9, № 5; The International Journal of Robotics Research. 1990, 1990.
Cita MLA (9th ed.)V. 9, № 5; The International Journal of Robotics Research. 1990, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.