. "Wyckoff, Ralph W. G. (Ralph Walter Graystone), 1897-1994" . . . . . "Scott, David Bytovetzski, 1919- Shadowed replicas of tooth surfaces" . . . "Scott, David Bytovetzski, 1919- Typical structures on replicas of apparently intact tooth surfaces" . . . "Wyckoff, Ralph Walter Graystone, 1897- Electron microscopy" . . . "Wyckoff, Ralph Walter Graystone, 1897- The crystal structure of cesium dichloro-iodide .." . . . "Wyckoff, Ralph Walter Graystone, 1897- The determination of the structure of crystals" . . . "Wyckoff, Ralph Walter Graystone, 1897- The electron microscope in biology" . .