TY  - BOOK
AU  - Tattersfield,Donald
TI  - Projects and demonstrations in astronomy
SN  - 0470267151
AV  - TL 849 .T37 1979
U1  - 520/.7/6 
PY  - 1979///
CY  - New York
PB  - J. Wiley
KW  - Astronomy
KW  - Problems, exercises, etc
KW  - Local
N1  - "A Halsted Press book."; Includes index
ER  -