TY - JOUR AU - Wallace, W AU - Jacobson, David AU - Arif, Muhammad AU - Ioffe, A C2 - Applied Physics Letters DA - 1999-01-01 00:01:00 LA - en M1 - 74 PB - Applied Physics Letters PY - 1999 TI - Application of Neutron Interferometry to the Measurement of Thin Film Density ER -