00362nam a2200157Ia 45000010006000000050017000060080041000230410008000640820017000721000039000892450026001282600009001543000025001636500008001886540008001961924420260306171730.0260306s9999||||xx |||||||||||||| ||und||  aESP  a658.812bD88  aDomínguez Collins, HumbertoeAUT 0aEl servicio invisible  c2006  a176 páginas :ccm.  aGEN  aCAN