A. L. Allan

THE PRINCIPLES OF THEODOLITE INTERSECTION SYSTEMS

A. L. Allan, 1988 .

THE ACCURATE MEASUREMENT OF A SHORT LINE BY GEODIMETER MODEL 6

A. L. Allan, 1967 .

THE ERROR ELLIPSE: A FURTHER NOTE

A. L. Allan, A. Allan, 1972 .

PROGRAM CARDS FOR THE SMALL HAND CALCULATOR

A. L. Allan, 1978 .

Mapping an Empire

A. L. Allan, J. Chandler, A. Allan, 1998 .