@article {6323, title = {ROTATIONAL AND HYPERFINE ANALYSIS OF THE C4-SIGMA{\textendash}X4-SIGMA- (BLUE) SYSTEM OF NIOBIUM OXIDE, NBO}, journal = {Journal of Molecular Spectroscopy}, volume = {131}, number = {1}, year = {1988}, note = {ISI Document Delivery No.: Q6186Times Cited: 20Cited Reference Count: 22}, month = {Sep}, pages = {113-126}, type = {Article}, isbn = {0022-2852}, url = {://A1988Q618600013}, author = {Cheval, G. and Femenias, J. L. and Merer, A. J. and Sassenberg, U.} }