TY - BOOK AU - Thornburg, David D. TI - Discovering Apple LOGO: an invitation to the art and pattern of nature SN - 0201077698 (pbk.) : U1 - 005.13 23 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 Bibliography ( p.135-137.) and index ER -