00339nam a2200133Ia 4500008004100000020001800041082001000059082001000069100001700079245005900096260001300155260002800168260000900196230118s9999||||xx |||||||||||||| ||und||  a0-19-561615-4  a376.6  bHOR/T  aa.sbhorneby 4athe teaching of structural words and sentence petterns  anew york  boxford university press  c1964