000 00257nam a2200109Ia 4500
008 171227s9999 xx 000 0 und d
100 _aSummers, George J
245 _aPuzzles And Teasers
260 _aMumbai
_bJaico Books
300 _a256
365 _b85
650 _aComputer Science
999 _c162681
_d162681