Phillipps, K.C. 1966. Adverb clauses in the fifteenth century. English Studies 47. 355–365.
@article{kortmannadverbial-Phillipps1966,
author = {Phillipps, K.C.},
journal = {English Studies},
pages = {355–365},
title = {Adverb clauses in the fifteenth century},
volume = {47},
year = {1966}
}