The Pinatubo Negritos their useful plants and material culture
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Manila
          Bureau of Science
    
        1953. | 
| Saila: | Philippine Journal of Science
              vol. 81, nos. 3-4 |