Gopala Rao, H.g. Govinda Rajan, S.V.
Studies on soils of India - Newdelhi, Vikas Publishing House Pvt Ltd 1928
Soils - India/ soil - classification
631.495 4 GOV
100
Studies on soils of India - Newdelhi, Vikas Publishing House Pvt Ltd 1928
Soils - India/ soil - classification
631.495 4 GOV
100