TY - RPRT TI - Least-squares refinement of powder diffraction data for unit cell parameters: Program listing for DEC 10 computer AU - George Van Trump AU - Phoebe L. Hauff PY - 1978 DO - 10.3133/ofr78431 UR - https://pubs.usgs.gov/publication/ofr78431 ID - ofr78431 ER -