TY - RPRT TI - Upgrading the twin variables algorithm for large structures. AU - K Bethanis AU - P Tzamalis AU - A Hountas AU - A F Mishnev AU - G Tsoucaris PY - 2000 DO - 10.1107/s0108767399013355 UR - https://pubmed.ncbi.nlm.nih.gov/10772451/ ID - 10772451 ER -