00279nam a2200133Ia 4500020000900000082000800009100002500017245003900042250000600081260003500087300000800122500000900130650000600139  aNULL  a510  aMeschkowski, Herbert 0aEvaluation of Mathematical Thought  a-  aSan FranciscobHolden-Day Inc.  a157  a1448  a-