Fast two-dimensional Hartley transform. - Ronald N. Bracewell; Oscar Buneman; Hong Hao; J. Villasenor (Proc. IEEE, 1986)

Multidimensional Hartley transforms. - Oscar Buneman (Proc. IEEE, 1987)

Stable on-line creation of sines or cosines of successive angles. - Oscar Buneman (Proc. IEEE, 1987)

In-situ bit-reversed ordering for Hartley transforms. - Oscar Buneman (IEEE Trans. Acoust. Speech Signal Process., 1989)