TY  - BOOK
AU  - Hoff,Darrel B.
AU  - Kelsey,Linda J.
AU  - Neff,John S.
TI  - Activities in astronomy
PY  - 1992///
CY  - Dubuque, IA
PB  - Kendall / Hunt Pub
KW  - Astronomy
KW  - Study and teaching
N1  - Includes appendices
ER  -