"jackson, j e. "
"sphere, spheroid and projections for surveyors: / j.e. jackson" - ed. - uk : bsp professional books 1980. - ", 138p.; 240 cm." - aspects of mordern land surveying .
0-632-01867-4
"surveying-mathematics--trigonometry,spherical"
TA549 / .J33 1987
"sphere, spheroid and projections for surveyors: / j.e. jackson" - ed. - uk : bsp professional books 1980. - ", 138p.; 240 cm." - aspects of mordern land surveying .
0-632-01867-4
"surveying-mathematics--trigonometry,spherical"
TA549 / .J33 1987