EXAFS STUDY OF Ni EXCHANGED INTO ZEOLITE Y G. WOOLERY, G. KUEHL, A. CHESTER, T. BEIN, G. STUCKY and D.E. SAYERS J. Phys. Colloques, 47 C8 (1986) C8-281-C8-284 DOI: 10.1051/jphyscol:1986853