Simonsen, J L Terpenes - Cambridge: Cambridge University Press, 1957 - ix, 662p. Vol. 5 (The triterpenes and their derivatives, hydroxy acids, hydroxy lactones, hydroxyaldehydo acids, hydroxyketo acids and the stereochemistry of the triterpenes); xi, 579p. Subjects--Topical Terms: Chemistry Universal Decimal Class. No.: 547.913 / H9.5