00291nam a2200133Ia 45000030006000000080041000060400015000471000020000622450027000822500010001092600009001195460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChelappan, K.P.  aPrinciples of lytology  aFirst  c1974  aEnglish20220125170443.0