TY  - BOOK
AU  - Ahlswede Rudelf
AU  -  Wegener Ingo
TI  - Search problems
T2  - Wiley Interscience Series in Discrete Mathematics and Optimization
U1  - B2815, M7 
PY  - 1987///
CY  - New York
PB  - John Wiley        
N1  - Bibliography P 271-81
ER  -