00286nam a2200121Ia 45000030006000000080041000060400015000471000019000622450045000812600009001265460012001350050017001470STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBaker John, R.  aPrinciples of biological micro technique  c1968  aEnglish20220125170425.0