TY  - BOOK
AU  - E.M.A. Samling & Others
TI  - Nutrient Disequilibria in Agroecosystems: Concepppts & Case Srtudies
SN  - 0851992684
U1  - 577.55 
PY  - 1999///
CY  - UK
PB  - CBA
ER  -