TY  - BOOK
AU  - Mackie,J.B.
TI  - The elements of astronomy for surveyors
U1  - 526.6 
PY  - 1971///
CY  - London
PB  - Griffin
KW  - Spherical astronomy
N1  - "Based upon the fifth edition of the standard work originally witten by the late Sir Robert Chapman"; Includes bibliographical references and index
ER  -