@conference {snoeij1992,
	title = {Microwave backscatter measurements made from the Dutch Ocean Research Tower {\textquoteright}Noordwijk{\textquoteright} compared with model predictions},
	booktitle = {Proc. IGARSS{\textquoteright}92},
	year = {1992},
	doi = {10.1109/IGARSS.1992.576808},
	author = {P. Snoeij and van Halsema, D. and W. A. Oost and C. J. Calkoen and Bernd J{\"a}hne and J. Vogelzang}
}
@conference {halsema1991a,
	title = {Modulation of the microwave backscatter by long gravity waves as measured in a very large wind/wave flume},
	booktitle = {Proc. IGARSS {\textquoteright}91},
	volume = {3},
	year = {1991},
	pages = {1293--1296},
	doi = {10.1109/IGARSS.1991.579316},
	author = {van Halsema, D. and P. Snoeij and C. J. Calkoen and W. A. Oost and J. Vogelzang and Bernd J{\"a}hne}
}
