TY - JOUR
AU - K. Meyer
AU - Chris Greene
BT - Physical Review A
DA - Jan-11-1994
DO - 10.1103/PhysRevA.50.R3573
PY - 1994
SP - R3573 
EP -  R3576
T2 - Physical Review A
TI - Double photoionization of helium using R-matrix methods
VL - 50
SN - 1050-2947
ER -