00396nam a2200145Ia 4500003000400000008004100004020002300045040000800068100002300076245007500099250001200174260004000186300001200226365001200238LDD181029s9999    xx            000 0 und d  a534530982cUS8.50  cLDD  aKurland, Daniel J. 0aAstronomy on the webba brief guide to the internetcDaniel J. Kurland  a2nd ed.  aBelmontbWadsworth Publishingc1999  av, 82p.  bUS8.50