physica status solidi (a)
physica status solidi (a) > 218 > 14 > n/a - n/a
physica status solidi (a) > 218 > 14 > n/a - n/a
physica status solidi (a) > 218 > 18 > n/a - n/a
physica status solidi (a) > 218 > 20 > n/a - n/a
physica status solidi (a) > 218 > 21 > n/a - n/a