TY  - BOOK
AU  - Walther Hansjoachim
TI  - Ten applications of graph theory. Tr from German b
T2  - mathematics and its Applications: East European Series
U1  - B23:6, M4 
PY  - 1984///
CY  - Dordrecht
PB  - D Reidel         
KW  - Algebra
N1  - Bib chapterwise
ER  -