00691nam0-22002651i-450-990002857390403321000285739FED01000285739(Aleph)000285739FED0100028573920000920d1990----km-y0itay50------baENG<<La >>quinta disciplinaPeter M.Senge-MilanoSperling & Kupfer1990XII469 p. 22 cmSenge,Peter M.116454ITUNINARICAUNIMARCBK9900028573904033211-7-602-TI5252 DEAECAECAQuinta disciplina418187UNINAING01