Similar Items: Examples of low-level aerial surveys conducted in Africa from 1968 to 1979: One firm's experience
- The static model sampling strip for investigating observer bias in aerial surveys
- A review of the sampling methods used in aerial survey
- Light aircraft and resource monitoring
- The aerial survey programme of the Kenya rangeland ecological monitoring unit: 1976-79
- An approach to evaluating techniques for vegetation surveys on arid rangelands
- In-flight measurements of reflectance