00786nam0-22002891i-450-99000036648040332120001010981-02-0615-1000036648FED01000036648(Aleph)000036648FED0100003664820001010d--------km-y0itay50------baitay-------001yySPIRAL symmetryEditors Istvan Hargittai, Clifford A. PickoverSingaporeWorld scientificcopyr. 1992XVII,449 p. ill. 24 cmHargittai,IstvanPickover,Clifford A.ITUNINARICAUNIMARCBK99000036648040332104 012-92DIC 1441DINCHDINCHUNINAING01