Water retention and transmission characteristics of some soils in the Bicol river basin [microform]

Xehetasun bibliografikoak
Egile nagusia: Malixi, Maria Manlapid 1951-
Formatua: Visual Material
Hizkuntza:English
Argitaratua: Quezon City Photoduplication Service. University of the Philippines Library 1978.
Gaiak: