Scientific American. v.261, 1989
Piel, Jonathan, ed.
Scientific American. v.261, 1989 edited by Janathan Piel - New York Scientific American 1989 - v.261, varies p.; 29cm.
00368733
Scientific American. v.261, 1989 edited by Janathan Piel - New York Scientific American 1989 - v.261, varies p.; 29cm.
00368733