@article{Stancil1993,
author = { Stancil, P.~C. and Babb, J.~F. and Dalgarno, A. } ,
title = "{The radiative association of He+ and He and H(+) and H}" ,
journal = {\apj} ,
year = 1993 ,
volume = 414 ,
pages = {672-675} ,
doi = {10.1086/173113}
}