00465nam a2200205Ia 4500008004100000020001800041041001200059082001400071100001200085245003100097250000600128260001700134365001800151366001300169500000800182541002500190563001200215652001200227852002000239141108s9999 xx 000 0 und d a81-7808-424-4 aEnglish a793.7 BRE aBRECHER aSURPRISING SCIENCE PUZZLES a1 bORIENTc2000 b35.00dRupees ePURCHASE a419 aNild19-02-2001cNil aWRAPPER aPUZZLES aCENTRAL LIBRARY