Byju, G Thomas, Varghese
Laterite Soils:their Distribution, characteristics,Classification and Management - Thiruvananthapuram, State comittee on science, Technology and environment - P116
010
631.41 VAR/LA
100
Laterite Soils:their Distribution, characteristics,Classification and Management - Thiruvananthapuram, State comittee on science, Technology and environment - P116
010
631.41 VAR/LA
100