.	.	.	.
FIG. sv-49	FIG. sv-50	FIG. sv-51	FIG. sv-52
by : California Institute of Technology	by : California Institute of Technology	by : California Institute of Technology	by : California Institute of Technology
.	.	.	.
FIG. sv-53	FIG. sv-54	FIG. sv-55	FIG. sv-56
by : California Institute of Technology	by : California Institute of Technology	by : California Institute of Technology	by : California Institute of Technology
.	.	.	.
FIG. sv-57	FIG. sv-58	FIG. sv-59	FIG. sv-60
by : California Institute of Technology	by : California Institute of Technology	by : California Institute of Technology	by : California Institute of Technology
.	.	.	.
FIG. sv-61	.	.	.
by : California Institute of Technology	.	.	.