Sulphur treatment of Shellac
Venugopalan, M.
Sulphur treatment of Shellac - Namkum 1933 - 0.541666667 - No. 10; Indian Lac Research I .
052:638.32(54) / I25R
Sulphur treatment of Shellac - Namkum 1933 - 0.541666667 - No. 10; Indian Lac Research I .
052:638.32(54) / I25R