TY - ECHAP AU - M. Seaton CY - Dordrecht DO - 10.1007/978-94-009-9024-1_1 M1 - Astrophysics and Space Science Library PB - Springer Netherlands PP - Dordrecht PY - 1980 SN - 978-94-009-9026-5/0067-0057 SP - 3 EP - 22 TI - Theory of Recombination Lines VL - 80 ER -