00354nam a2200109Ia 4500008004100000020001800041082001700059100002100076245008700097260003400184300002600218260211b        |||||||| |||| 00| 0 eng d  a9781568812328  a516bL269.TT  aLang, Robert J.   aTwists, tilings, and tessellationsb: mathematical methods for geometric origami /  aBoca Raton:bCRC Press,c2018  axx, 736p. Bibl. Index