000
00297nam a2200133Ia 4500
008
160316s1950 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
P. Clyne
245
_a
Progressive Mathematics
250
_a
1st
260
_a
LONDON
_b
CHAPMAN &HALL LTD
_c
1950
300
_a
270
700
_a
_a
999
_c
31971
_d
31971