TY  - BOOK
AU  - Welsh,D.J.A.
TI  - Matroid theory
SN  - 012744050x :
U1  - 512.5 
PY  - 1976///
CY  - London
PB  - Academic Press
KW  - Matroids
KW  - Mathematics
N1  - Includes index; Bibliography: p. 402-423
ER  -