TY - RPRT TI - Statistical dynamical direct methods. II. The three-phase structure invariant. AU - F N Chukhovskii AU - J J Hu AU - L D Marks PY - 2001 DO - 10.1107/s0108767300015786 UR - https://pubmed.ncbi.nlm.nih.gov/11326107/ ID - 11326107 ER -