Farahani, Mohammad Reza. “Computing a Counting Polynomial of an Infinite Family of Linear Polycene Parallelogram Benzenoid Graph P(a,b)”. JOURNAL OF ADVANCES IN PHYSICS 3, no. 1 (November 10, 2013): 186–190. Accessed May 19, 2024. https://rajpub.com/index.php/jap/article/view/506.