The European Physical Journal Plus
The European Physical Journal Plus > 2016 > 131 > 8 > 1-22
The European Physical Journal Plus > 2016 > 131 > 8 > 1-13
The European Physical Journal Plus > 2016 > 131 > 8 > 1-11
The European Physical Journal Plus > 2016 > 131 > 8 > 1-11
The European Physical Journal Plus > 2016 > 131 > 8 > 1-12