@article{MET_1973__20_175579,
     author = {Reisinger. L.},
     title = {Netzplantechnik f\"ur {Praktiker.} {Eine} {Einf\"uhrung} f\"ur {Kaufleute,} {Techniker} und {Studierende}  -  {Schwarze,} {J.}},
     journal = {Metrika},
     pages = {77--77},
     publisher = {mathdoc},
     volume = {20},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/MET_1973__20_175579/}
}