The economics of the sulfuric acid industry par Kreps, Theodore John 1897-

Sulfuric acid manufacture par Fairlie, Andrew Miller 1877-

High-sulphur fuel demand outlook jumps.

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Studies on sulfur nutrition of rice plant par Chaudhry, Muhammad Rashid 1941-

Sulfur availability to rice plants and its transformations in rice soil and rhizosphere par Han, Kang Wan 1941-

Urinary inorganic sulfate sulfur creatinine ratio in some Filipino pre-schoolers par Zerda, Leticia Moran 1937-

Effect of Sul-Po-Mag fertilization on the chipping quality of potato par Picpican, Ho-Ti Cristobal E.

Comparative photosynthetic responses of Oryza Sativa L. and Zea Mays L. to SO2 fumigation par Carale, Lourdes R. (Lourdes Reyes) 1938-

Standard proposal. par Korea Association of Machinery Industry