TY - ECHAP AU - P. Burke AU - W. Robb DO - 10.1016/S0065-2199(08)60030-5 PB - Elsevier PY - 1976 SN - 9780120038114/00652199 SP - 143 EP - 214 TI - The R-Matrix Theory of Atomic Processes UR - http://linkinghub.elsevier.com/retrieve/pii/S0065219908600305 VL - 11 ER -