TY  - JA
AU  - Cropley,R.
AU  - Posnette,A.F.
TI  - The effect of viruses on growth and cropping of pear trees
SN  - 1744-7348
PY  - 1973///
N1  - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0003-4746
T2  - Annals of Applied Biology
ER  -