au.\*:("OMALIUS D'HALLOY D")
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COMMUNICATION.OMALIUS D'HALLOY D; ROYS DE.1855; BULL. SOC. GEOL. FR; FRA; 1855, VOL. 12, P. 36 A 44Miscellaneous
CALCAIRE CARBONIFERE DE LA BELGIQUE ET DU HAINAUT FRANCAIS.OMALIUS D'HALLOY D.1862; BULL. SOC. GEOL. FR; FRA; 1862,63, VOL. 20, P. 405 A 407Miscellaneous
