@article{JRAM_1996__475_153827,
     author = {Zhenbo Qin and Wie-Ping Li},
     title = {Extensions of vector bundles and rationality of certain moduli spaces of stable bundles.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {209--220},
     year = {1996},
     volume = {475},
     zbl = {0845.14013},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1996__475_153827/}
}