000 00303nam a2200121Ia 4500
008 160710s1997 xx 000 0 und d
082 _a511.8 HOU
100 _aHUSTON,S.K. AND OTHERS.
245 _aTEACHING AND LEARNING.
260 _bALBIAN PUB. CHICHES LER.
_c1997
300 _a401
942 _2ddc
_cB
999 _c54443
_d54443