00412nam a2200121Ia 4500008004100000082001600041100001500057245005700072260004100129365000600170630005700176730005700233100415s9999    xx            000 0 und d  b5790a597.8  aParker,B.M  aToads And Frogs: The Basre Sciences Education Series  aEVANSTONc1957bROW PETERSON AND CO.  b4  aToads And Frogs: The Basre Sciences Education Series  aToads And Frogs: The Basre Sciences Education Series