000
00258nam a2200109Ia 4500
008
220201s1963 xx 000 0 eng d
100
_a
Thwaiter, Bryan
245
0
_a
On teaching mathematices
260
_b
Pergemon Press
_c
1963
300
_a
108
942
_2
ddc
999
_c
72264
_d
72264