Feng, R., Zaidi, A. A., Zhang, K., Shi, Y. “Optimisation of Microwave Pretreatment for Biogas Enhancement through Anaerobic Digestion of Microalgal Biomass”, Periodica Polytechnica Chemical Engineering, 63(1), pp. 65–72, 2019. https://doi.org/10.3311/PPch.12334