H. Schramm

External proton beam analysis of organic and inorganic art objects

C. Neelmeijer, H. Matthes, W. Pfestorf, 1990 .

Depth resolved ion beam analysis of objects of art

C. Neelmeijer, W. Wagner, H.-P. Schramm, 1996 .

Nondestructive pigment analysis in paint layers using ion-beam methods on air

C. Neelmeijer, H. Schramm, W. Wagner, 1994, Naturwissenschaften.