TY  - BOOK
AU  - Helman,Paul
AU  - Veroff, Robert.
TI  - Walls and mirrors: intermediate problem solving and data structures 
SN  - 0805389458 (pbk.)
PY  - 1988///
CY  - Menlo Park
PB  - The Benjamin/ Cummings Publishing Company Inc.
KW  - Modula-2
KW  - Data structures (computer Science)
KW  - Electronic digital computers-Programming
N1  - Includes Index; Includes bibliographical references.
ER  -