000 00341nam a2200145Ia 4500
020 _a0863186025
082 _b2564
_a500
100 _a"Judith Hann"
245 0 _aHOW SCIENCE WORKS
260 _bLondon : Dorling Kindersley, 1991.
_c1991
300 _a192
944 _cR
999 _c601905
_d601905