Siegel, Miles G.; Chaney, Michael O.; Bruns, Robert F.; Clay, Michael P.; Schober, Douglas A.; Van Abbema, Anne M.; Johnson, Douglas W.; Cantrell, Buddy E.; Hahn, Patric J.; Hunden, David C.; Gehlert, Donald R.; Zarrinmayeh, Hamideh; Ornstein, Paul L.; Zimmerman, Dennis M.; Koppel, Gary A.
Tetrahedron, 1999 , vol. 55, # 39 p. 11619 - 11639