physica status solidi (b)
physica status solidi (b) > 250 > 1 > 108 - 114
physica status solidi (b) > 250 > 4 > 850 - 857
physica status solidi (b) > 250 > 5 > 1029 - 1043
physica status solidi (b) > 250 > 5 > 999 - 1003
physica status solidi (b) > 250 > 9 > 1795 - 1798