e.t. oscillation:
yydf 2
e.t. oscillation:
yydf 3
e.t. oscillation:
yydf 4
e.t. oscillation:
yydf 5
e.t. oscillation:
yydf 6
e.t. oscillation:
yydf 7
e.t. oscillation:
yydf 8
e.t. oscillation:
yydf 9
e.t. oscillation:
yydr 1
e.t. oscillation:
yydf 10
e.t. oscillation:
yydf 11
e.t. oscillation:
yydf 12
e.t. oscillation:
yydf 13