TY - RPRT TI - Ultrastructure and variable aperture pore function of hexagonal subunits in plasma membranes AU - Asunmaa, S. K. AU - Kleist, F. D. AU - Schultz, R. D. PY - 1969 UR - https://ntrs.nasa.gov/citations/19690025760 ID - 19690025760 ER -