LEADER 00000nam 2200181 a 4500 001 0453196 003 UkHlHU 007 t 008 000311 1 1961 000 eng 040 UkHlHU 050 4 QD 449 K9 100 0 Krevelen, Dirk Willem van. 245 00 Coal typology, chemistry, physics, constitution. 260 Amsterda :|bElsevier.,|c1961. 300 514p. 946 6XX absent
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