TY - JOUR AU - David Hummer BT - Journal of Quantitative Spectroscopy and Radiative Transfer DA - Jan-03-1984 DO - 10.1016/0022-4073(84)90032-3 PY - 1984 SP - 283 EP - 284 T2 - Journal of Quantitative Spectroscopy and Radiative Transfer TI - A family of angle-moments proportional to r-n, n = 1,2,\textellipsis, in free space VL - 31 SN - 00224073 ER -