000 00281nam a22001337a 4500
020 _a-
082 _a511
_bCLA
100 _aClark
245 _aGrowth in Arithmetic
_cJohn R.Clark
250 _a-
260 _aNew York
_bWorld Book Company
_c1956
300 _a314
942 _cCHBK
999 _c12335
_d12335