00270nam a2200121Ia 4500008004100000020001800041041000800059082001200067100001600079245002500095260002000120300000800140211209s2019 xx 000 0 und d a9789389520286 aeng a542 FUL aFULEKAR M H aBIO INSTRUMENTATION  bDREAMTECHc2019 a418