TY  - BOOK
AU  - Walkley,A.
TI  - A critical examination of a rapid method for determining organic carbon in soils-effect of variations in digestion conditions and of inorganic soil constituents
UR  - https://drive.google.com/file/d/1R6xRARk2amVSJEA611e5LEB29qW7Om5p/view?usp=drivesdk
ER  -