000 00363nam a2200145Ia 4500
020 _a9780766028081
082 _b931
_a500
100 _a"Gardner, Robert"
245 0 _aAstronomy Projects with an Observatory
260 _bEnslow Publishers, Inc.
_aUSA
_c2007
300 _a128
944 _cBK
999 _c130263
_d130263