TY - BOOK AU - Hahn, Geňa AU - Sabidussi, Gert AU - Woodrow, Robert E. AU - NATO Advanced Research Workshop on Cycles and Rays: Basic Structures in Finite and Infinite Graphs AU - North Atlantic Treaty Organization. Scientific Affairs Division TI - Cycles and rays PB - Kluwer Academic Publishers PY - 1990 T2 - NATO ASI series VL - ser. C . Mathematical and physical sciences ; v. 301 EP - xiv, 259 p. UR - https://ci.nii.ac.jp/ncid/BA0790562X SN - 0792305973 ER -