000 00216 a2200097 4500
001 25369
100 _aRobson, J
245 _aModern Maths. in Secondary School
260 _a
_bpergamon
_c1969
090 _c17124
_d17124
942 _aNUST-CAE
_cM
_c7919
999 _c260442
_d260442