TY - RPRT TI - Effective-range approximation for surface states in one dimension. AU - M Steslicka AU - M Radny AU - SG Davison PY - 1986 DO - 10.1103/physrevb.34.5205 UR - https://pubmed.ncbi.nlm.nih.gov/9940348/ ID - 9940348 ER -