@article {Garcia:1998:0010-4655:34, author = "Garcia de la Vega J.M. and Miguel B.", title = "Determination of momentum expectation values for polyatomic molecules", journal = "Computer Physics Communications", volume = "109", number = "1", year = "1998", abstract = "", pages = "34-46", url = "http://www.ingentaconnect.com/content/els/00104655/1998/00000109/00000001/art00134", doi = "doi:10.1016/S0010-4655(97)00134-3", keyword = "[Physical Astronomy Classification Scheme] 02.30.Q, [Physical Astronomy Classification Scheme] 02.70.-, [Physical Astronomy Classification Scheme] 31.15.-, Momentum expectation values, GTOs molecular integrals, Momentum space representation" }