000 00279nam a2200121 a 4500
003 EIA
001 3852
942 _02
_2ddc
_cBK
245 _aUnderstanding and using :
_bEnglish Grammar
260 _cc1990
008 141112s1990 ck r 000 u spa d
082 _a421.52
_bA992
999 _c13547
_d13547