TY  - BOOK
AU  - Frissel, M.J..
TI  - Cycling of mineral nutrients in agricultural ecosystems / 
SN  - 0-444-41660-9
U1  - J:24 
PY  - 1983///
CY  - Amsterdam : 
PB  - Elsevier Scientific Publishing Company , 
KW  - Agriculture
ER  -