00437nam a2200133Ia 4500008004100000082001900041100002000060245005300080260003700133300000700170942000700177952010200184999001700286140113s9999    xx            000 0 und d  a612.843.7   L3  a"Gregory, R.L."  aVisual Perception:(Oxford biology readers NO.40)  a1973bOxford Univ. PresscMadras  a16  cBK  00104070aVTLbVTLd2014-01-13l0o612.843.7   L3pVBK1460r2014-01-13 00:00:00w2014-01-13yBK  c58139d58139