TY  - JOUR 
T1  - Subfossil and periphytic diatoms from the upper Paraná river, Brazil: last ~1000 years of a transition period
JO  - Hoehnea
A1  - Ruwer, Daiane Trevisan
A1  - Rodrigues, Liliana
SN  - 2236-8906
UL  - 10.1590/2236-8906-89/2017
VL  - 45 
Y1  - 2018
PB  - Brasil 
ER  -