franz et al. 2018, frantz et al. 2010, franzmann et al. 2018, franke et al. 2014, frank et al. 2013, frasch et. al. 2010, fransen et al. 2012, fritz et al. 2016, ferraz et al. 2014, francis et al. 2013, das et al. 2014, fraenkel et al. 2012, frenger et al. 2013, frandsen et al 2004, frisch et al. 2011, frank et al. 2009, francis et al. 2015, arntz et al. 2016, francis et al. 2004, francesco et al. 2012, francis et al 2010, rantz et. al. 2011, fransen et al 2015
franz et al. 2014. There are any references about franz et al. 2014 in here. you can look below.
