[1]vanRisseghem[BulletindesSocietesChimiquesBelges,1926,vol.35,p.332,342][ChemischesZentralblatt,1927,vol.98,#I,p.53]
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[1]vanRisseghem[BulletindesSocietesChimiquesBelges,1926,vol.35,p.332,342][ChemischesZentralblatt,1927,vol.98,#I,p.53]