LEADER 00000nam 2200181 a 4500 001 0628644 003 UkHlHU 007 t 008 003004 2 1955 000 eng 040 UkHlHU 050 4 C3 B8 100 0 Bradley, John. 245 00 On the operational interpretation of classical chemistry. 300 0000p. 946 6XX absent