@conference {halsema1992,
	title = {Comparisons of backscattering calculations with measurements made in a large wind/wave flume},
	booktitle = {Proc. IGARSS{\textquoteright}92},
	volume = {2},
	year = {1992},
	pages = {1451--1453},
	doi = {10.1109/IGARSS.1992.578480},
	author = {van Halsema, D. and C. J. Calkoen and W. A. Oost and P. Snoeij and J. Vogelzang and Bernd J{\"a}hne}
}
@conference {snoeij1991,
	title = {Comparison of microwave backscatter measurements and small-scale surface wave measurements made from the Dutch ocean research tower {\textquoteright}Noordwijk{\textquoteright}},
	booktitle = {Proceedings IGARSS {\textquoteright}91},
	volume = {3},
	year = {1991},
	pages = {1289--1292},
	doi = {10.1109/IGARSS.1991.579315},
	author = {P. Snoeij and van Halsema, D. and W. A. Oost and C. J. Calkoen and J. Vogelzang and Bernd J{\"a}hne}
}
