TY  - BOOK
AU  - Bryant,Victor
AU  - Perfect,Hazel
TI  - Independence theory in combinatories: an introductory account with applications to graphs and transversals 
T2  - Chapman and Hall mathematics series
SN  - 0412162202
PY  - 1980///
CY  - London
PB  - Chapman & Hall
KW  - Matroids
N1  - Includes bibliographical references (p. 139) and index
ER  -