DOI link fixes (#530)

Author: slayoo

docs/bibliography.json

@@ -41,7 +41,8 @@
       "README.md",
       "docs/markdown/pympdata_landing.md",
       "examples/PyMPDATA_examples/Jaruga_et_al_2015/fig19.ipynb",
-      "examples/PyMPDATA_examples/wikipedia_example/demo.ipynb"
+      "examples/PyMPDATA_examples/wikipedia_example/demo.ipynb",
+      "examples/PyMPDATA_examples/Molenkamp_test_as_in_Jaruga_et_al_2015_Fig_12/demo.ipynb"
     ],
     "label": "Smolarkiewicz & Margolin 1998 (J. Comp. Phys. 140)",
     "title": "MPDATA: A Finite-Difference Solver for Geophysical Flows"
@@ -153,16 +154,18 @@
     "label": "Lam et al. 2015",
     "title": "Numba: a LLVM-based Python JIT compiler"
   },
-  "https://doi.org/10.1175/1520-0450(1968)007%3C0160:AOFDMA%3E2.0.CO;2": {
+  "https://doi.org/10.1175/1520-0450%281968%29007%3C0160:AOFDMA%3E2.0.CO;2": {
     "usages": [
       "examples/PyMPDATA_examples/Molenkamp_test_as_in_Jaruga_et_al_2015_Fig_12/__init__.py",
+      "examples/PyMPDATA_examples/Molenkamp_test_as_in_Jaruga_et_al_2015_Fig_12/demo.ipynb",
       "examples/PyMPDATA_examples/wikipedia_example/demo.ipynb"
     ],
     "label": "Molenkamp 1968 (J. Appl. Meteorol. Climatol. 7)",
     "title": "Accuracy of Finite-Difference Methods Applied to the Advection Equation"
   },
-  "https://doi.org/10.1175/1520-0469(1974)031%3C1500:ACONSO%3E2.0.CO;2": {
+  "https://doi.org/10.1175/1520-0469%281974%29031%3C1500:ACONSO%3E2.0.CO;2": {
     "usages": [
+      "examples/PyMPDATA_examples/Molenkamp_test_as_in_Jaruga_et_al_2015_Fig_12/demo.ipynb",
       "examples/PyMPDATA_examples/wikipedia_example/demo.ipynb"
     ],
     "label": "Anderson & Fattahi 1974",

examples/PyMPDATA_examples/Molenkamp_test_as_in_Jaruga_et_al_2015_Fig_12/__init__.py

@@ -1,6 +1,6 @@
 """
 This is an example based on the solid-body rotation test from
-[Molenkap 1968](https://doi.org/10.1175/1520-0450(1968)007%3C0160:AOFDMA%3E2.0.CO;2)
+[Molenkap 1968](https://doi.org/10.1175/1520-0450%281968%29007%3C0160:AOFDMA%3E2.0.CO;2)
 (as in Fig. 12 in [Jaruga et al. 2015](https://doi.org/10.5194/gmd-8-1005-2015)).
 
 demo.ipynb:

examples/PyMPDATA_examples/Molenkamp_test_as_in_Jaruga_et_al_2015_Fig_12/demo.ipynb

@@ -14,9 +14,9 @@
    "metadata": {},
    "source": [
     "references:\n",
-    "- Molenkamp 1968: http://dx.doi.org/10.1175/1520-0450(1968)007%3C0160:AOFDMA%3E2.0.CO;2\n",
-    "- Anderson & Fattahi 1974: http://dx.doi.org/10.1175/1520-0469(1974)031%3C1500:ACONSO%3E2.0.CO;2\n",
-    "- Smolarkiewicz & Margolin 1998: http://dx.doi.org/10.1006/jcph.1998.5901\n",
+    "- Molenkamp 1968: https://doi.org/10.1175/1520-0450%281968%29007%3C0160:AOFDMA%3E2.0.CO;2\n",
+    "- Anderson & Fattahi 1974: https://doi.org/10.1175/1520-0469%281974%29031%3C1500:ACONSO%3E2.0.CO;2\n",
+    "- Smolarkiewicz & Margolin 1998: https://doi.org/10.1006/jcph.1998.5901\n",
     "- Jaruga et al. 2015 https://doi.org/10.5194/gmd-8-1005-2015"
    ]
   },