A. RAMAZANI, E. AHMADI, L. YOUSEFTABAR MIRI, A. JAFARI, and A. HEIDARI, “Stereoselective Synthesis of Dialkyl-1,1-diacetyl-8ahydroxy- 8-oxo-1,2,8,8a-tetrahydrocyclopenta[ a]indene-2,3-dicarboxylates”, ajc, vol. 19, no. 2, pp. 1589–1591, Mar. 2010.