Additional reading

Calder, N., 1991., 'Spaceship Earth'. Penguin Books Ltd, London.

Drury, S.A., 1990., 'A guide to remote sensing: Interpreting images of the Earth'. Oxford Science Publications, Oxford.

Harrison, B.A. and Jupp, D.L.B., 1989., 'Introduction to remotely sensed data'. CSIRO, Australia.

Sheffield, C., 1981., 'Earth Watch: A survey of the world from space'. Hutchinson Group (Australia) Pty. Ltd., Richmond, Victoria.