Bird, J. O.

Basic engineering mathematics / by: Bird, J. O. (Language materials, printed)

Bird's electrical circuit theory and technology / by: Bird, J. O. (Language materials, printed)

Engineering mathematics / by: Bird, J. O. (Language materials, printed)

Mechanical engineering principles / by: Bird, J. O.; Ross, C. T. F., (1935- ) (Language materials, printed)