LEADER 00000nam 2200193 a 4500 001 0410146 003 UkHlHU 007 t 008 000909 1 1940 000 eng 040 UkHlHU 050 4 BF 181 H9 100 0 Hull, Clark Leonard. 245 00 Mathematics deductive theory of rote learning. 300 0000p. 946 260 lacks |a 946 260 lacks |b 946 260 lacks |c, 008 has valid date 946 300 data invalid 946 6XX absent
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