J. P. Spencer

A multiple scattering transport theory for electron

C. Humphreys, J. P. Spencer, 1980 .

A dynamical theory for the contrast of perfect and imperfect crystals in the scanning electron microscope using backscattered electrons

C. Humphreys, P. Hirsch, J. P. Spencer, 1972 .

Defect Structures on Polished Quartz Surfaces as Seen by X‐Ray Diffraction Microscopy

J. Newkirk, J. P. Spencer, J. Young, 1964 .