000 00314nam a2200145Ia 4500
020 _a0895773821
082 _b514
_a500
100 _a"Hann, Judit"
245 0 _ahow science Works
260 _b,DK
_auk
_c1991
300 _a192
944 _cBK
999 _c667516
_d667516