000 00294nam a22001337a 4500
020 _a100004423475
040 _cPK-LaCSN
082 _aTR 510
_b510 G
245 _aGrid and geometry pad 3
260 _bThe city shool
300 _3graphs
_a24 pages:
942 _2ddc
_cTR
999 _c822845
_d822822