(1)
Shneine, J. K.; Mahmood, S. M. A.; Shihab, M. S. THEORETICAL STUDY OF CONCERTED DIELS-ALDER REACTIONS BETWEEN DIMETHYL 1,2,4,5-TETRAZINE-3,6-DICARBOXYLATE AND DIENOPHILES. Al-Nahrain J. Sci. 2009, 12 (1), 14-23.