000 00312nam a2200121Ia 4500
008 230413s9999||||xx |||||||||||||| ||und||
082 _a00HO
100 _aHolton, Derek
245 2 _aA second step to Mathematical Olympiad problems.
260 _bWorld Scientific Publishing Co
260 _c2011
942 _cBooks
999 _c1040
_d1040