00331nam a2200121Ia 4500008004100000020001800041041000800059082001200067100002300079245006400102260003500166300000800201231025s2020    xx            000 0 und d  a9783030317744  aeng  a617.675  aTorres Carlos R.G.  aModern Operative Dentistry Principles for Clinical Practice  aSwitzerland AGbSpringerc2020  a715