Orlov, D S
Humic substance of soils and general theory of humification - Newdelhi, Oxford & IBH publishing co. pvt. ltd 1995 - 317
8120409183
Soil-humification/soil-general theory of humification
631.417 ORL
100
Humic substance of soils and general theory of humification - Newdelhi, Oxford & IBH publishing co. pvt. ltd 1995 - 317
8120409183
Soil-humification/soil-general theory of humification
631.417 ORL
100