Koller, M. et al. 2017. Study on the Effect of Levulinic Acid on Whey-Based Biosynthesis of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Hydrogenophaga pseudoflava. Applied Food Biotechnology. 4, 2 (Apr. 2017), pp. 65–78. DOI:https://doi.org/10.22037/afb.v4i2.16337.