TY - JOUR AU - C. Corcoran AU - P. Langhoff BT - Chemical Physics Letters DA - Jan-08-1976 DO - 10.1016/0009-2614(76)85428-0 PY - 1976 SP - 609 EP - 614 T2 - Chemical Physics Letters TI - Polynomial expansions for spectral densities UR - http://linkinghub.elsevier.com/retrieve/pii/0009261476854280 VL - 41 SN - 00092614 ER -