1. Cerqui D, Arras KO (2001) Human beings and robots: towards a symbiosis? In: Carrasquero J et al (eds) A 2000 people survey. Post-conference proceedings PISTA 03 (Politics and Information Systems: Technologies and Applications), pp 408–413
2. Turkle S (2005) Relational artefacts/children/elders: the complexities of cybercompanions. In: Android science workshop, Stresa (Italy). Cognitive Science Society, pp 62–73
3. Levy D (2007) Love and sex with robots: the evolution of human–robot relationships. Harper Collins, New York
4. Haselager WFG (2005) Robotics, philosophy and the problems of autonomy. Pragmat Cogn 13(3):515–532
5. Floridi L, Sanders JW (2004) On the morality of artificial agents. Minds Mach 14:349–379