au.\*:("RICHARD MARGOTIN J")
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PRESENCE D'UN NOUVEAU FALUN AUX MORTIERS EN GORGES (LOIRE-INFERIEURE).RICHARD MARGOTIN J.1925; BULL. SOC. GEOL. MINERAL. BRETAGNE; FRA; 1925, VOL. 6, NUM. 0002, P. 203 A 204Miscellaneous
MINERAIS DE FER ET SCORIES DE MONNIERES (LOIRE-INFERIEURE).RICHARD MARGOTIN J.1923; BULL. SOC. GEOL. MINERAL. BRETAGNE; FRA; 1923, VOL. 4,3, P. 280 A 281Miscellaneous