Pollard T.D.

Pollard T.D., Craig S.W., 1982
Smith P.R. et al., 1983
Pollard T.D., Cooper J.A., 1986
Maclean-Fletcher S., Pollard T.D., 1980
Pollard T.D. et al., 1984
Herman ea, 1981
Adams R.J., Pollard T.D., 1986
Pollard T.D. et al., 1991