iradon_sart: Reformat references.

skimage/transform/radon_transform.py

@@ -267,13 +267,14 @@ def order_angles_golden_ratio(theta):
     The method used here is that of the golden ratio introduced
     by T. Kohler.
 
-    References:
-        - Kohler, T. "A projection access scheme for iterative
-          reconstruction based on the golden section." Nuclear Science
-          Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004.
-        - Winkelmann, Stefanie, et al. "An optimal radial profile order
-          based on the Golden Ratio for time-resolved MRI."
-          Medical Imaging, IEEE Transactions on 26.1 (2007): 68-76.
+    References
+    ----------
+    .. [1] Kohler, T. "A projection access scheme for iterative
+           reconstruction based on the golden section." Nuclear Science
+           Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004.
+    .. [2] Winkelmann, Stefanie, et al. "An optimal radial profile order
+           based on the Golden Ratio for time-resolved MRI."
+           Medical Imaging, IEEE Transactions on 26.1 (2007): 68-76.
     """
     interval = 180
 
@@ -353,20 +354,21 @@ def iradon_sart(radon_image, theta=None, image=None, projection_shifts=None,
     reconstruction. Further iterations will tend to enhance high-frequency
     information, but will also often increase the noise.
 
-    References:
-        - AC Kak, M Slaney, "Principles of Computerized Tomographic
-          Imaging", IEEE Press 1988.
-        - AH Andersen, AC Kak, "Simultaneous algebraic reconstruction technique
-          (SART): a superior implementation of the ART algorithm", Ultrasonic
-          Imaging 6 pp 81--94 (1984)
-        - S Kaczmarz, "Angenäherte auflösung von systemen linearer
-          gleichungen", Bulletin International de l’Academie Polonaise des
-          Sciences et des Lettres 35 pp 355--357 (1937)
-        - Kohler, T. "A projection access scheme for iterative
-          reconstruction based on the golden section." Nuclear Science
-          Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004.
-        - Kaczmarz' method, Wikipedia,
-          http://en.wikipedia.org/wiki/Kaczmarz_method
+    References
+    ----------
+    .. [1] AC Kak, M Slaney, "Principles of Computerized Tomographic
+           Imaging", IEEE Press 1988.
+    .. [2] AH Andersen, AC Kak, "Simultaneous algebraic reconstruction technique
+           (SART): a superior implementation of the ART algorithm", Ultrasonic
+           Imaging 6 pp 81--94 (1984)
+    .. [3] S Kaczmarz, "Angenäherte auflösung von systemen linearer
+           gleichungen", Bulletin International de l’Academie Polonaise des
+           Sciences et des Lettres 35 pp 355--357 (1937)
+    .. [4] Kohler, T. "A projection access scheme for iterative
+           reconstruction based on the golden section." Nuclear Science
+           Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004.
+    .. [5] Kaczmarz' method, Wikipedia,
+           http://en.wikipedia.org/wiki/Kaczmarz_method
     """
     if radon_image.ndim != 2:
         raise ValueError('radon_image must be two dimensional')