A. Orton

The diesel engine : an introductory treatment of the principles of working, construction, and operation of diesel engines, for students, mechanics, and others

A. Orton, .

Students' understanding of differentiation

A. Orton, A. Orton, 1983 .

Chords, Secants, Tangents and Elementary Calculus.

A. Orton, 1977 .