| Label | Id | |
|---|---|---|
| Phonon | OBJC:MSH | |
| Phonons, Optical | OBJC:MSH | |
| Phonon, Optical | OBJC:MSH | |
| Optical Phonon | OBJC:MSH | |
| Optical Phonons | OBJC:MSH | |
| Acoustic Phonon | OBJC:MSH | |
| Coals, Brown | OBJC:MSH | |
| Lignitious Coal | OBJC:MSH | |
| Lignite | OBJC:MSH | |
| Brown Coal | OBJC:MSH | |
| Smartphones | OBJC:MSH | |
| Phone, Smart | OBJC:MSH | |
| Smartphone | OBJC:MSH | |
| Phones, Smart | OBJC:MSH | |
| Smart Phone | OBJC:MSH |