Diels-Alder transition structures of hetero-dienophile addition to 4H pyrazole calculated by ab initio methods,

B. S. Jursic, Z. Zdravkovski, Diels-Alder transition structures of hetero-dienophile addition to 4H pyrazole calculated by ab initio methods, Journal of Molecular Structure (Theochem), 331, 229–234 (1995).