00685nam0-22002411i-450-990001225360403321000122536FED01000122536(Aleph)000122536FED0100012253620000920d1977----km-y0itay50------baengGraphs, surfaces and homologyan introduction to algebraic topologyby Giblin P J.LondonChapman & Hall1977.Giblin,Peter40978ITUNINARICAUNIMARCBK99000122536040332129-M-1918823MA1MA1Graphs, surfaces and homology343363UNINAING01