00537nam a22001697a 4500003000400000005001700004008004100021020001700062082001200079100004300091245005400134260005400188300001600242655008000258942001400338999001500352SNU20130115151211.0130115b        xxu||||| |||| 00| 0 eng d  a978053865208  a570 LEO  a Leonard, William H.a E. Penick, John  aBiologyba community context cWilliam H. Leonard  aCincinnatib South-Western Educational Pub.c1998  axv, 576 p.   bBiologyb, Biology-Juvenile literature.b, and Biology a community context   2ddcc RBM  c5896d5896