TY  - BOOK
AU  - Helman,Paul
AU  - Veroff,Robert
TI  - Intermediate problem solving and data structures: walls and mirrors 
T2  - The benjamin/cummings series in computer science
SN  - 0805303219 (hardcover)
PY  - 1991///
CY  - [S.l.]
PB  - Benjamin-Cummings Pub Co
UR  - http://www.amazon.com/exec/obidos/ASIN/0805303219/chopaconline-20
ER  -