LEADER 00000nam 2200193 a 4500 001 0597033 003 UkHlHU 007 t 008 002603 2 1947 000 eng 040 UkHlHU 050 4 QA 111 T4 100 1 Thomson, Godfrey H.|q(Godfrey Hilton),|d1881-1955. 245 10 How to calculate correlations. 250 new edition revised. 300 0000p. 650 0 Arithmetic.
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