000 00214nam a2200085Ia 4500
008 180131b xxu||||| |||| 00| 0 eng d
080 _a
_b51 : 62.007(023) BIR.83
100 _aBird, J.O
245 _aNewnes Mathematics Pocket Book.....
260 _a
_b
_c
999 _c49980
_d49980