State of the pores in the functioning sieve plate
Nature
.
1970 Apr 4;226(5240):88.
doi: 10.1038/226088a0.
Authors
A W Siddiqui
1
,
D C Spanner
Affiliation
1
Department of Botany, Bedford College, London NW1.
PMID:
16057114
DOI:
10.1038/226088a0
No abstract available