00325nam a2200109Ia 4500008004100000020001800041082001200059100001900071245003900090260004800129300003800177250901s9999 xx 000 0 und d a9781405466813 a500 PAR aParragon Books 0aWorld of Science (Q & A Reference) a"Bath, United Kingdom"bParragon Plusc2006 a144 pages : illustrations ; 30 cm