00424nam a22001337i 4500001001000000005001700010008004100027082001800068100003500086245007100121260005100192300001700243650003000260SXC01579220260819093607.0260101s1973    ii            000 0 eng d  a425 LEE-C222  aLeech, Geoffrey; Svartvik, Jan10aCommunicative grammar of English /cLeech, Geoffrey; Svartvik, Jan  abEnglish Language Book Society, London,c1973  ap. ;c22 cm. 0aEnglish structural system