H G WAGNER

Functional basis for "on"-center and "off"-center receptive fields in the retina.

E F MACNICHOL, E. MacNichol, H. Wagner, 1963, Journal of the Optical Society of America.

The peripheral origin of nervous activity in the visual system.

E F MACNICHOL, H. K. Hartline, E. MacNichol, 1952, Cold Spring Harbor symposia on quantitative biology.