00338nam a2200145Ia 4500008004100000020001800041082000800059082001000067100001700077100001600094245003200110260001300142260002800155260000900183230118s9999||||xx |||||||||||||| ||und||  a0-19-562053-4  a425  bTHO/A  aa.jbthomson  ba.vmartinet 2aa practical english grammer  anew york  boxford university press  c1960