title: Theory of growth by differential sedimentation, with application to snowflake formation.
authors.affiliation: Department of Physics, University of Warwick, Coventry, United Kingdom.
authors.forename: C D
authors.initials: CD
authors.lastname: Westbrook
authors.forename: R C
authors.initials: RC
authors.lastname: Ball
authors.forename: P R
authors.initials: PR
authors.lastname: Field
authors.forename: A J
authors.initials: AJ
authors.lastname: Heymsfield