00331nam a2200109Ia 4500008004100000040003800041100001700079245004900096260004900145300001200194653001500206211228s9999 xx 000 0 und d cJayakar Knowledge Resource Centre aStevick, E W 0aImages and options in the language classroom bCambridge Uniiversity PressaCambridgec1986 a177p p. aLinguistcs