The Formation and Significance of Carboniferous Coal Balls (Q57310615)
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Current Data About The Formation and Significance of Carboniferous Coal Balls
(P31) (Q13442814)

(P304) 123-137

(P407) (Q1860)

(P433) 1148

(P478) 311

(P577) Thursday, October 17, 1985

(P1433) (Q2153239)

(P1476) "The Formation and Significance of Carboniferous Coal Balls" (language: en)

(P2093) A. C. Scott
(P1545) 1

G. Rex
(P1545) 2

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