TY - RPRT TI - Hybrid graphs as a framework for the small-world effect. AU - Katharina A Lehmann AU - Hendrik D Post AU - Michael Kaufmann PY - 2006 DO - 10.1103/physreve.73.056108 UR - https://pubmed.ncbi.nlm.nih.gov/16802999/ ID - 16802999 ER -