TY  - BOOK
AU  - Heintz,Wulff D.
TI  - Double stars
SN  - 9027708851.
AV  - QB821 .H413 1978
U1  - 523.8/41 
PY  - 1978///
CY  - Dordrecht, Holland, Boston
PB  - D. Reidel Pub., Co.
KW  - Double stars
N1  - Revised translation of Doppelsterne published in 1971; Includes indexes; Bibliography: p. 164-170
ER  -