000 00294nam a2200097Ia 4500
082 _aJ 507.8 CHAL
245 0 _aWhat's going to happen? : making your hypothesis
100 _a Challen, Paul C. , 1967- New York, [c.2010]
_928446
942 _cBK
008 210816s9999 xx 000 0 und d
999 _c128436
_d128435