Application of XAFS in Tribology : P and S L-Edge XANES Spectroscopy of Antiwear Films M. Kasrai, Z. Yin, M. Fuller, G.M. Bancroft, K. Fyfe et K.H. Tan J. Phys. IV France, 7 C2 (1997) C2-847-C2-849 DOI: 10.1051/jp4:1997256