000 00289nam a22001337a 4500
020 _a0000000000000
040 _cPK-LaCSN
082 _aTR510
_bTCS-G
245 _aGrid and geometry pad 5
260 _bThhe City School
300 _aunpaged:
_c27cm.
942 _2ddc
_cTB
999 _c871613
_d871590