TY  - BOOK
AU  - Heintz,Wulff D.
TI  - Double stars
SN  - 9027708851
PY  - 1978///
CY  - Dordrecht
PB  - D. Reidel Publishing Company
KW  - Stars, Double
N1  - Revised translation of Doppelsterne published in 1971; Includes index; Bibliography : p.164-170
ER  -