@book{31954,
	author = {Williams, Clayton, ed.},
	title = {Scanning Probe Microscopies II},
	publisher = {SPIE},
	year = {1993},
	series = {Proceedings of SPIE; V. 1855},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1855}
}