Gupta, Raj Kumar
Planning natural resources a handbook of aerospace techniques for integrated surveys and studies in natural resources ecology - 1st ed. - New Delhi Navayug traders 1971 - 269 p. ill.`
Includes bibliograpies
Natural resources:Economics
333 / GUP/1971
Planning natural resources a handbook of aerospace techniques for integrated surveys and studies in natural resources ecology - 1st ed. - New Delhi Navayug traders 1971 - 269 p. ill.`
Includes bibliograpies
Natural resources:Economics
333 / GUP/1971