A geometrical study of the elementary catastrophes /

by Poston, Timothy 1945-, Poston, Timothy 1945-, Woodcock, A. E. R.
Published 1964

Catastrophe theory and its applications /

by Poston, Timothy 1945-, Poston, Timothy 1945-, Stewart, Ian Nicholas 1945-
Published 1978

Tensor geometry : the geometric viewpoint and its uses /

by Dodson, C. T. J., Dodson, C. T. J., Poston, Timothy 1945-
Published 1979