D. J. Knipp

The response of the magnetosphere to the passage of a coronal mass ejection on March 20–21 1990

M. Lester, D. Knipp, T. Yeoman, 1997 .

Variations in the polar cap area during intervals of substorm activity on 20–21 March 1990 deduced from AMIE convection patterns

Timothy K. Yeoman, Mark Lester, Delores J. Knipp, 1996 .