000 00312nam a2200145Ia 4500
020 _a0199170614
082 _b1843
_a910
100 _a"ELLIOTT,GORDON"
245 0 _aDISCOVERING OUR WORLD 4
260 _c1990
300 _a111
944 _cBK
999 _c96635
_d96635