Nash, Katherine؛ Richard H. Williams (أكتوبر 1970). "Computer Program for Artists: ART 1". Leonardo. ج. 3 ع. 4: 439–442. DOI:10.2307/1572264. JSTOR:1572264.
Nash, Katherine؛ Richard H. Williams (أكتوبر 1970). "Computer Program for Artists: ART 1". Leonardo. ج. 3 ع. 4: 439–442. DOI:10.2307/1572264. JSTOR:1572264.