TY  - JA
AU  - Singh,A.J.
AU  - Byerlee,D.
TI  - Relative variability in wheat yields across countries and over time
SN  - 1477-9552
U1  - 91-057993 
PY  - 1990///
KW  - India
KW  - Technological changes
KW  - Trends
KW  - Yield factors
KW  - Triticum
KW  - AGROVOC
N1  - 22 ref., 5 tab., 1 fig., BLDSC; Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0021-857X
T2  - Journal of Agricultural Economics
ER  -