00502nam a2200109Ia 4500008004500000050002300045100002200068245006500090247008600155264007300241264007800314230508s1997    xx            000 0 und d1997  aQH 308.2 C189 19971 aCampbell, Neil A.10aBiology: bconcepts & connections 2nd ed.cCampbell, Neil A.  aBiology: concepts & connections 2nd ed._QH 308.2 C189 1997_Campbell, Neil A._1997  a[Place of publication not identified] : bBenjamin Cummings, c1997.  a[Place of publication not identified] : bAddison Wesley Longman, c1997.