@bookPart{König_2018, title={9 Laser tweezers are sources of two-photon effects}, author={König, Karsten}, editor={König, Karsten}, isbn={978-3-11-042998-5}, doi={http://dx.doi.org/10.22028/D291-29635}, adress={Berlin}, pages={177-188}, publisher={De Gruyter}, booktitle={Multiphoton Microscopy and Fluorescence Lifetime Imaging : Applications in Biology and Medicine}, year={2018} }