TY  - BOOK
AU  - Margaret.
AU  - Ziegesar, Detlef Von.
TI  - Practise with puzzles: teacher's book 1
SN  - 0194335046
U1  - 415 MAR 
PY  - 1987///
CY  - New York
PB  - Oxford University Press
KW  - Puzzles
ER  -