Observadores

• 

  Melvin Wheelwright

  https://hanairoenpitu.net/%EC%9A%B0%EB%A3%A8%EC%8A%A4-%EC%B9%B4%EC%A7%80%EB%85%B8-%EA%B0%80%EC%9E%85%EC%BD%94%EB%93%9C-%EC%98%A8%EB%9D%BC%EC%9D%B8-%EC%B9%B4%EC%A7%80%EB%85%B8-%EC%84%B8%EA%B3%84%EC%9D%98-%EB%AC%B8%EC%9D%84/