P H Roberts

Vehicle emission control for the eighties

P H Roberts, L R Dawson, 1979 .

Motions in a Bose condensate. III. The structure and effective masses of charged and uncharged impurities

P H Roberts, P. Roberts, J Grant, 1974 .

Motions in a Bose condensate. V. Stability of solitary wave solutions of non-linear Schrodinger equations in two and three dimensions

P H Roberts, S. Putterman, C. Jones, 1986 .