Siva Shankaran, V.S. Gypsum and its utilisation/ V.S. SivaShankaran, J.B. Subramanian and K.S. Chari - New Delhi: Fertiliser Association of India, 1969 - 52 p.; 22 cm. - Report /Fertiliser Institutes . - Fertiliser Institutes 1 report . Includes bibliographyical references: p. 50-52 Subjects--Topical Terms: GypsumSulphate mineralsSoils--Gypsum contentFertilizers Dewey Class. No.: 631.82