TY  - JOUR 
T1  - Plant species and habitat structure in a sand dune field in the brazilian Caatinga: a homogeneous habitat harbouring an endemic biota
JO  - Brazilian Journal of Botany
A1  - Rocha, Pedro Luís B. da
A1  - Queiroz, Luciano P. de
A1  - Pirani, José Rubens
SN  - 0100-8404
UL  - 10.1590/S0100-84042004000400013
VL  - 27 
Y1  - 2004
PB  - Brasil 
ER  -