TY  - BOOK
AU  - Abt,H.A.
TI  - Studies of RV Tauri stars. 1. U Monocerotis
PY  - 1955///
CY  - [USA]
PB  - [s. n.]
N1  - Contributions from the Lick Observatory. Series 2. N 57, p. 417-433; Reprinted from the "Astrophysical Journal", vol. 122, p.72 -88, 1955
ER  -