TY  - JA
AU  - Zadoks,J.C.
AU  - Chang,T.T.
AU  - Konzak,C.F.
TI  - A decimal code for the growth stage of cereals
U1  - 75-022166 
PY  - 1974///
KW  - Cereals general
N1  - 15 ref
T2  - Weed Research
ER  -