ANALYTIC DETERMINATION OF THE REFERENCE TRIHEDRON POSITION RELATED TO THE PRINCIPAL PROJECTION PLANE AND OF THE PROJECTION DIRECTION OF AN OBLIQUE AXONOMETRIC PROJECTION FROM GIVEN AXIS AND VARIATION COEFFICIENTS

Muniozguren, J., Grafulla, C., Uranga, E. (1990) “ANALYTIC DETERMINATION OF THE REFERENCE TRIHEDRON POSITION RELATED TO THE PRINCIPAL PROJECTION PLANE AND OF THE PROJECTION DIRECTION OF AN OBLIQUE AXONOMETRIC PROJECTION FROM GIVEN AXIS AND VARIATION COEFFICIENTS”, Periodica Polytechnica Transportation Engineering, 18(1-2), pp. 81–85.