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Bontchev, Structural properties
S1501749
S1322459
S1322460
S1904471
S1904472
S1904470
S1904473
S1414679
S1414801
S1414802
S1510137
S1510138
S1510139
S1413927
S1904581
S1904583
S1904582
S1904580
S1904598
S1813549
S1813550
S1003589
S1003993
S1003992
S1905700
S1004446
S1521645
S1520363
S1906652
S1906653
S1906654
S1906655
S1623951
S1623949
S1623950
S1623953
S1623952
S1623948