1.
Goo S, Leong LK, Hong YY, Kuen-Song L, Chao-Lung C. Direct ultrasound synthesis of vanadyl pyrophosphate catalyst for partial oxidation of n-butane to maleic anhydride. SPS [Internet]. 18May2019 [cited 23Jul.2019];1(3):5-. Available from: http://readersinsight.net/SPS/article/view/861