Molecular Spectroscopy Using Schottky-Barrier TunnelingRemoveWilliam A. ThompsonPhys. Rev. Lett. 20, 1085 (1968)
Concerning an Experiment to Measure the Difference Between Gravitationally Induced Electric Field Near Various MetalsRemoveD. S. TannhauserPhys. Rev. Lett. 20, 1123 (1968)
