Philippine land surveyors manual.
| Údar corparáideach: | |
|---|---|
| Formáid: | LEABHAR | 
| Teanga: | English | 
| Foilsithe / Cruthaithe: | Manila
          Certeza Surveying.
    
        1962. | 
| Sraith: | Technical bulletin no. 22 | 
| Ábhair: | 
| Údar corparáideach: | |
|---|---|
| Formáid: | LEABHAR | 
| Teanga: | English | 
| Foilsithe / Cruthaithe: | Manila
          Certeza Surveying.
    
        1962. | 
| Sraith: | Technical bulletin no. 22 | 
| Ábhair: |