ASHARAF M
CLAY MINERAL CHARACTERISATION OF THE MAJOR SOIL SERIES OF TRIVANDRUM DISTRICT - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1992
E N92 AS 92
CLAY MINERAL CHARACTERISATION OF THE MAJOR SOIL SERIES OF TRIVANDRUM DISTRICT - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1992
E N92 AS 92