TY  - BK
ED  - American Society of Agronomy (USA). Crop Science Society of America (USA). Soil Science Society of America (USA)
TI  - Publications handbook and style manual
SN  - 08-911-80966
U1  - 90-022013 
PY  - 1988///
KW  - Extension
N1  - ill. Bibliography: p. 83-84. index US (DNAL S494.5.A96P83)
T2  - Madison, WI (USA). American Society of Agronomy. 1988. 92 p
ER  -