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Quadra (unit)
from Wikipedia, the free encyclopedia
Quadra
was a unit of area in
Brazil
.
1 square = 1.74
hectares
literature
Peter Kurzweil:
The Vieweg unit lexicon
. Vieweg, Braunschweig / Wiesbaden 2000,
ISBN 978-3-528-06987-2
, p. 331.
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