TY - BOOK AU - Davis Philip, A. G., ed. AU - Lu, Philip K., ed. ED - Meeting on the Gravitational Force Perpendicular to the Galactic Plane ED - Van Vleck Observatory  TI - The gravitational force perpendicular to the galactic plane: proceedings of a meeting held at the Center for Galactic Astronomy, Western Connecticut State University in Danbury, Connecticut, May 19-20, 1989 T2 - Van Vleck observatory contribution; no. 9 SN - 0-933485-11-5 PY - 1989/// CY - New York PB - L. Davis Press KW - Astronomy and astrophysics thesaurus KW - Galactic plane ER -