format
LIST:
- zp
{vector of Tops of Layers, P-wave, (km)}
- vp
{vector of velocities of Layers, P-wave,(km/s)}
- ep
{errors for velocities, P-wave,(km/s) }
- zs
{vector of Tops of Layers, S-wave, (km)}
- vs
{vector of velocities of Layers, S-wave,(km/s)}
- es
{errors for velocities, S-wave,(km/s) }
- name
{character, name of model }
- descriptor
{character vector description of model }