00291nam a2200109Ia 4500008004100000020001600041082001400057100001800071245003300089260002800122300003100150250814s9999    xx            000 0 und d  a0 170062929  a302.2 LES  aAlison Lester 0aS.O.S. (Speaking of Symbols)  aAustraliabNelsonc1983  a32 p. : col. ill. ; 25 cm.