000 00277nam a2200097Ia 4500
082 _a371.30281 LEVI
245 0 _aConquer study stress! : 20 problems solved
100 _a Levin, Peter Maidenhead, 2007
_920826
942 _cBK
008 210816s9999 xx 000 0 und d
999 _c105456
_d105455