Excerpt from The Philippine Journal of Science, Vol. 13: 1918 Recent developments in water analysis have emphasized the importance of making examinations at the
Excerpt from The Philippine Journal of Science, 1916, Vol. 11: Section D, General Biology, Ethnology, and Anthropology In many Of the early collections of Phili
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi