TY  - BOOK
AU  - Thornburg, David D.
TI  -  Discovering Apple LOGO: an invitation to the art and pattern of nature 
SN  - 0201077698 (pbk.) :
U1  - 001.64/24  19
PY  - 1983///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - LOGO (Computer program language)
KW  - Apple II (Computer)
KW  -  Programming
KW  - Computer graphics
KW  - Geometry
KW  -  Data processing
N1  - Includes bibliographical references (135-137) and index
ER  -