000 00367nam a2200145Ia 4500
008 231217s9999 xx 000 0 und d
041 _aEnglish
082 _a793.73 BRE `R'
100 _aBrecher,ErwinGerrard, Mike
245 0 _aChallenging science puzzles
260 _c2000
_bGoodwill Pub, N.Delhi
300 _a93
650 _aScience Puzzles
942 _cAA
999 _c167169
_d167169