TY  - BOOK
AU  - Gjessing, Egil T.
TI  - Physical and Chemical Characteristics of Aquatic Humus
SN  - 0250401150
U1  - 631.41 
PY  - 1976///
CY  - Michigan
PB  - Ann Arbor Science
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soil chemistry
ER  -