TY - BOOK AU - Leeuwen J Van ED - Conference on Graphtheoretic Concepts in Computer Science( 14th : 1988 : Amsterdam ) ED - Conference on Graphtheoretic Concepts in Computer Science 14th TI - Graphtheoretic concepts in computer science : proceedings U1 - 4.0151 PY - 1989/// CY - Berlin PB - Springer Verlag KW - Computer science KW - Graph theroy ER -