TY  - BOOK
AU  - Akman Varol
TI  - Unobstructed shortest paths in polyhedral environments
T2  - Lecture noter in computer science; 251
U1  - D65,8(B):(B257), M7 
PY  - 1987///
CY  - Berlin
PB  - Springer Verlag      
KW  - Computer science
N1  - Bibliography 93-103p
ER  -