@article { SilerJQSRT15,
	title = {Optical trapping in secondary maxima of focused laser beam},
	journal = {J. Quant. Spectrosc. Radiat. Transf.},
	volume = {162},
	year = {2015},
	pages = {114 - 121},
	keywords = {MF},
	doi = {10.1016/j.jqsrt.2015.03.003},
	author = {M {\v S}iler and P. Zem{\'a}nek}
}
