Soft X-ray contact microscopy and transmission electron microscopy: Comparative study of biological samples T. Limongi, L. Palladino, E. Bernieri, G. Tomassetti, L. Reale, F. Flora, P. Cesare, C. Ercole, P. Aimola et A.M. Ragnelli J. Phys. IV France, 104 (2003) 345-348 DOI: 10.1051/jp4:200300096