Determination of radial velocities and their applications /

ανά Batten, A. H., IAU., Symposium on Determination of Radial Velocities and their Applications, Heard, J. F.
Έκδοση 1967.

Management of extraperitoneal rectal injuries.

ανά Bostick, P. J., Johnson, D. A., Heard, J. F., Islas, J. T., Sims, E. H., Fleming, A. W., Sterling-Scott, R. P.
Έκδοση 1993