TY  - JOUR 
T1  - Heterochromatin differentiation in holocentric chromosomes of Rhynchospora (Cyperaceae)
JO  - Genetics and Molecular Biology
A1  - Vanzela, André L.L.
A1  - Guerra, Marcelo
SN  - 1415-4757
UL  - 10.1590/S1415-47572000000200034
VL  - 23 
Y1  - 2000
PB  - Brasil 
ER  -