Beryllium parabolic refractive X-ray lenses for full field imaging and scanning microscopy with hard X-rays B. Lengeler, C.G. Schroer, M. Kuhlmann, B. Benner, T.F. Günzler, O. Kurapova, C. Rau, T. Weitkamp, A. Simionovici, A. Snigirev et Snigireva J. Phys. IV France, 104 (2003) 221 DOI: 10.1051/jp4:200300065