@article{ASNSP_1981_4_8_1_103_0, author = {McClendon, J. F.}, title = {Classifying relative principal fibrations with loop space fibers}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, pages = {103--118}, publisher = {Scuola normale superiore}, volume = {Ser. 4, 8}, number = {1}, year = {1981}, mrnumber = {616902}, zbl = {0478.55011}, language = {en}, url = {http://archive.numdam.org/item/ASNSP_1981_4_8_1_103_0/} }