000 a
999 _c91604
_d91603
005 20181011112039.0
008 181011b ||||| |||| 00| 0 eng d
020 _a9789814733755
080 _a794.5
_bHES
100 _a Hess, Dick
245 _aPopulation explosion and other mathematical puzzles
260 _bworld scientific
_c2016
_aNew Jersey
300 _aix, 152p.
653 _aMathematical recreations
653 _aMathematics - Problems, exercises
942 _cBK