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Chandru, Vijay and Ghosh, Subir Kumar and Maheshwari, Anil and Rajan, VT and Saluja, Sanjeev (1995) $_N$$_C-$ Algorithms for Minimum Link Path and Related Problems. In: Journal of Algorithms, 19 (2). pp. 173-203.
Ghosh, Subir Kumar and Maheshwari, Anil and Pal, Sudebkumar Prasant and Saluja, Sanjeev and Madhavan, Veni CE (1993) Characterizing and recognizing weak visibility polygons. In: Computational Geometry, 3 (4). pp. 213-233.