@misc {IOPORT.71035839,
    author       = {{\o}hrstr{\o}m, Peter and Uckelman, Sara L. and Sch\"arfe, Henrik},
    title        = {Historical and conceptual foundation of diagrammatical ontology},
    howpublished = {ICCS, 374-386 (2007).},
    year         = {2007},
    doi          = {10.1007/978-3-540-73681-3_28},
    identifier   = {71035839},
}