TY - GEN AU - Langs,D A TI - Frequency statistical method for evaluating cosine invariants of three-phase relationships SN - 0108-7673 PY - 1993///0910 KW - Crystallography KW - Models, Theoretical KW - Molecular Structure N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1107/s010876739201136x ER -