MINE DUST CHARACTERIZATION USING THE SCANNING ELECTRON MICROSCOPE = CARACTERISATION DE LA POUSSIERE DE MINE, EN UTILISANT UN MICROSCOPE A BALAYAGE ELECTRONIQUEDE NEE PB.1972; AMER. INDUSTR. HYG. ASS. J.; U.S.A.; DA. 1972; VOL. 33; NO 10; PP. 654-660; BIBL. 12 REF.Serial Issue

ULTRASTRUCTURAL STUDY OF AVIAN SYNOVIUM INFECTED WITH AN ARTHROTROPIC REOVIRUS.WALKER ER; FRIEDMAN MH; OLSON NO et al.1977; ARTHRIT. AND RHEUMATISM; USA; DA. 1977; VOL. 20; NO 6; PP. 1269-1277; BIBL. 43 REF.Article