000 00438nam a2200181Ia 4500
003 IIITD
005 20190125123314.0
008 130106s9999 xx 000 0 und d
020 _a9788172242213
040 _aOclc
082 _a793.7
_bSUM-G
100 _aSummers, George J
245 _aGreat book of puzzles and teasers
260 _bJaico,
_c1989.
300 _a256p.
600 _aMathematical recreations
942 _2ddc
_cBK
_01
999 _c7980
_d7980