Atlantic mackerel and horse mackerel egg survey: Dutch participation May and June 2010 / C.J.G. van Damme and C. BakkerHerring larvae surveys 2011-2012: survey reports and results / C.J.G. van Damme & C. BakkerHerring larvae surveys 2012-2013: survey reports and results / C.J.G. van Damme & C. BakkerNorth Sea mackerel egg survey 2014 / C.J.G. van Damme & C. BakkerHerring larvae surveys 2013-2014: survey reports and results / C.J.G. van Damme & C. Bakker