AN INELASTIC POLARISED NEUTRON SCATTERING INVESTIGATION OF THE DYNAMIC FORM FACTOR IN THE INVAR ALLOY Fe65Ni35 P. J. Brown, I. K. Jassim, R. M. Mankikar, Y. Nakamura and K. R. A. Ziebeck J. Phys. Colloques, 49 C8 (1988) C8-307-C8-308 DOI: 10.1051/jphyscol:19888138