TY - `JOUR` AU - Nasdala, Lutz AU - Kober, Bernd TI - Metamictisation of natural zircon : accumulation versus thermal annealing of radioactivity-induced damage PY - 2001 LA - eng SP - 20 S. T2 - Contributions to mineralogy and petrology PY - 2001 VL - 141 SI - 2 SP - 125-144 DO - 10.1007/s004100000235 AN - UBHD-67873541 ER -