TY  - BOOK
AU  - William T. Trotter
AU  - Trotter,William T.
TI  - PLANAR GRAPHS
SN  - 0821866001
U1  - 511.5 
PY  - 1993///
CY  - 
PB  - American Mathematical Society, Providence
KW  - Graph Theory - Congresses
N1  - Includes Bibliographical References And Index
ER  -