@incollection{Volpe10, author = {Giovanni Volpe and Giorgio Volpe and Giuseppe Pesce}, title = {The Photonic Torque Microscope: Measuring Non-Conservative Force-Fields}, booktitle = {Recent Optical and Photonic Technologies}, publisher = {IntechOpen}, address = {Rijeka}, year = {2010}, editor = {Ki Young Kim}, chapter = {20}, doi = {10.5772/6923}, url = {https://doi.org/10.5772/6923} }