00330nam a2200121Ia 4500008004100000082001700041100001600058245004300074250000600117260004900123300000800172650002800180120425s9999    xx            000 0 und d  a 428  KEL-U2  a Kelly, R A  a Use of English for technical students  a2  b English Language Book Society, Londonc1971  a189  a Standard English usage