Kang, H. D. Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society;
Kang, H. D., Rangelov, G., Reinmuth, J., & Donath, M. (2000). Surface and Interface Magnetometry of Layered Structures by Appearance Potential Spectroscopy. Surface Science, 454-456, 865-869. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TVX-40CS04F-5S-B&_cdi=5546&_user=100196&_orig=browse&_coverDate=05%2F20%2F2000&_sk=995439999&view=c&wchp=dGLbVlb-zSkzV&md5=5fbf56dbc46fe436090b8fdcf6926ec7&ie=/sdarticle.pdf.