TY  - BOOK
AU  - Thornburg,David D.
TI  - Exploring Logo without a computer
SN  - 0201201100 (pbk.)
AV  - QA76.73.L63 T485 1984
U1  - 005.13/3 19
PY  - 1984///
CY  - Menlo Park, Calif.
PB  - Addison-Wesley Pub. Co.
N1  - Includes index
ER  -