Statistical tables.
| Main Authors: | , | 
|---|---|
| Formato: | Libro | 
| Idioma: | English | 
| Publicado: | New York, New York
          W.H. Freeman and Co.
    
        1981 | 
| Edición: | Second edition. | 
| Subjects: | 
| Main Authors: | , | 
|---|---|
| Formato: | Libro | 
| Idioma: | English | 
| Publicado: | New York, New York
          W.H. Freeman and Co.
    
        1981 | 
| Edición: | Second edition. | 
| Subjects: |