diff --git a/dissmodel/geo/raster/backend.py b/dissmodel/geo/raster/backend.py
index 004ae43..82d8a58 100644
--- a/dissmodel/geo/raster/backend.py
+++ b/dissmodel/geo/raster/backend.py
@@ -607,8 +607,8 @@ def focal_sum_mask(
         -------
         np.ndarray  int
         """
-        result = np.zeros(self.shape, dtype=int)
-        m = mask.astype(np.int8)
+        result: np.ndarray = np.zeros(self.shape, dtype=int)
+        m: np.ndarray = mask.astype(np.int8)
         for dr, dc in neighborhood:
             result += self.shift2d(m, dr, dc)
         return result
diff --git a/dissmodel/io/raster.py b/dissmodel/io/raster.py
index 28d887e..052f43a 100644
--- a/dissmodel/io/raster.py
+++ b/dissmodel/io/raster.py
@@ -203,7 +203,7 @@ def _write_geotiff(
     rows, cols = backend.shape
 
     if band_spec:
-        arrays = []
+        arrays: list[np.ndarray] = []
         for name, dtype, nodata in band_spec:
             arr = backend.arrays.get(
                 name,
diff --git a/paper.bib b/paper.bib
index 5d07e95..d86ef6a 100644
--- a/paper.bib
+++ b/paper.bib
@@ -179,4 +179,12 @@ @article{Veldkamp1996
   year    = {1996},
   volume  = {85},
   pages   = {253--270}
-}
\ No newline at end of file
+}
+
+@inproceedings{Costa2009,
+  title     = {Common Concepts to Development of the Top-Down Models of Land Changes},
+  author    = {Costa, Sérgio Souza and Aguiar, Ana Paula Dutra and Câmara, Gilberto and Moreira, Evaldinolia},
+  booktitle = {Simpósio Brasileiro de Sensoriamento Remoto (SBSR)},
+  address   = {Natal, RN, Brazil},
+  year      = {2009}
+}
diff --git a/paper.md b/paper.md
index 24d3fcd..9e4f6a2 100644
--- a/paper.md
+++ b/paper.md
@@ -147,8 +147,9 @@ different throughput:
 
 **BR-MANGUE coastal dynamics.** The foundation for coupled mangrove-flood modeling
 was established by Bezerra et al. [@Bezerra2013] and extended in @Bezerra2025BM,
-co-authored by the submitting author and Felipe Martins Sousa, who now ports
-BR-MANGUE to DisSModel. The `brmangue-dissmodel` package [@BRMangue] validates the
+co-authored by Denilson da Silva Bezerra, the submitting author, and Felipe Martins
+Sousa — the same three researchers now responsible for the DisSModel
+reimplementation of BR-MANGUE. The `brmangue-dissmodel` package [@BRMangue] validates the
 raster implementation against TerraME over the Maranhão Island dataset (50,496
 cells, 20 steps): land use matches on 99.9% of cells, soil on 99.8%, and
 elevation (1 mm tolerance) on 90.7% (MAE 0.0033 m); match percentage is the
@@ -183,7 +184,7 @@ provenance from raw inputs to final metrics is addressed by the
 DisSModel's scientific lineage is rooted in the TerraME/LuccME research program at
 INPE. The submitting author conducted doctoral research at INPE under Prof.
 Gilberto Câmara and Dr. Ana Paula Dutra Aguiar — principal architects of
-TerraME/LuccME — and has co-authored LuccME since 2009. On 7 May 2026, DisSModel
+TerraME/LuccME — and has co-authored the LuccME modeling framework since 2009 [@Costa2009]. On 7 May 2026, DisSModel
 was presented at INPE's Graduate Program in Applied Computing seminar series
 (recording: https://youtu.be/o7pMJt0CvXU), connecting the framework to the
 institutional community that maintains TerraME and LuccME.
@@ -202,7 +203,9 @@ research fellows (CNPq), under approved institutional project PVCET5136-2026 at
 UFMA. The concentrated 2026 development effort was deliberately oriented toward
 this milestone: stabilizing the `ModelExecutor` contract so each fellow can own an
 independent repository — `disslucc-continuous`, `disslucc-discrete`,
-`brmangue-dissmodel`, or `disscube` — without core changes.
+`brmangue-dissmodel`, or `disscube` (a data-cube access and spatial-derivation
+layer, the Python successor to TerraME's `fillCellularSpace`) — without core
+changes.
 
 Since the original submission, development has continued with `disslucc-discrete`
 [@DisSLUCCDiscrete], a CLUE-S-like discrete allocation package using logistic
diff --git a/pyproject.toml b/pyproject.toml
index edab353..17434e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -121,7 +121,7 @@ exclude = ["docs", "site", "build"]
 pythonpath = ["."]
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.12"
 ignore_missing_imports = true
 exclude = ["tests/", "docs/", "examples/"]