[1] LOW, Ed. by Kin-Huat. Industrial robotics: programming, simulation and applications. 1. publ. Mammendorf: Pro-Literatur-Verl, 2007. ISBN 38-661-1286-6 .
[2] TAKAHASHI, Yoshihiko.Service robot applications. Croatia : In-Teh, 2008., ISBN 978-953-7619-00-8