TY - JOUR AU - G. Leuchs AU - S. Smith BT - Journal of Physics B: Atomic and Molecular Physics DA - Feb-04-1983 DO - 10.1088/0022-3700/15/7/013 PY - 1982 SP - 1051 EP - 1059 T2 - Journal of Physics B: Atomic and Molecular Physics TI - Five-photon non-resonant photoionisation of atomic sodium-the angular distribution of photoelectrons VL - 15 SN - 0022-3700 ER -