TY  - BOOK
AU  - Worthy, W.
AU  - Unstead, R. J.
TI  - Black's children's encyclopaedia: Lakes- zuyder zee
SN  - 0713616806
U1  - 030 WOR 
PY  - 1976///
CY  - London
PB  - Adam and Charles black
KW  - Black's children's encyclopaedia
N1  - includes index
ER  -