Barrett, E. C., Curtis, L. F., Curtis, L., & Curtis, L. F. (1999). Introduction to environmental remote sensing (4th ed.). Cheltenham: Stanley Thornes Publishers.
Παραπομπή Chicago StyleBarrett, E. C., L. F. Curtis, L.F Curtis, and L. F. Curtis. Introduction to Environmental Remote Sensing. 4th ed. Cheltenham: Stanley Thornes Publishers, 1999.
Παραπομπή MLABarrett, E. C., L. F. Curtis, L.F Curtis, and L. F. Curtis. Introduction to Environmental Remote Sensing. 4th ed. Cheltenham: Stanley Thornes Publishers, 1999.
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