TY  - BOOK
AU  -  Black, C. A. 
TI  - Methods of soil analysis : Part 1,. Physical and mineralogical properties, including statistics of measurement and sampling
SN  - -
U1  - 631.41 BLA 1965 
PY  - 0000/// American Society for Testing and Materials
CY  -  American Society of Agronomy
PB  - (Charles Allen); Black, C. A.
ER  -