A Soil survey of the Guntur delta
Harrison, W.H., Viswanath, B.
A Soil survey of the Guntur delta - Madras 1915 - 1-47 p. - Soil, Delta Madras Department of Agriculture. Bulletin No. 70 .
A Soil survey of the Guntur delta - Madras 1915 - 1-47 p. - Soil, Delta Madras Department of Agriculture. Bulletin No. 70 .