TY - JOUR AU - F. Robicheaux AU - Chris Greene BT - Physical Review A DA - Jan-06-1993 DO - 10.1103/PhysRevA.47.4908 PY - 1993 SP - 4908 EP - 4919 T2 - Physical Review A TI - Valence-shell photoabsorption spectra of C, Si, Ge, and Sn VL - 47 SN - 1050-2947 ER -