TY  - BOOK
AU  - Dixon,Robert T.
TI  - Dynamic astronomy
SN  - 0132212676 (pbk.)
U1  - 520 
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Աստղագիտություն
N1  - Includes bibliogr. references and index
ER  -