TY  - JA
AU  - Schaffer,W.H.
TI  - Sludge recycling tested in Berks County project [Maize, Pennsylvania]
U1  - 78-256467 
PY  - 1977///
KW  - Fertilizers
KW  - AGROVOC
KW  - Pennsylvania
KW  - Soil fertility
T2  - Science in Agriculture
ER  -