TY  - BOOK
AU  - Minnaert,M.G.J.
TI  - Practical work in elementary astronomy
AV  - QB62.5 .M5 1969b
U1  - 520/.76 
PY  - 1969///]
CY  - Dordrecht
PB  - D. Reidel
KW  - Astronomy
KW  - Problems, exercises, etc
KW  - Laboratory manuals
N1  - Includes bibliographies
ER  -