TY - JOUR AU - Victor Nedzelnitsky AU - Randall Wagner C2 - Journal of Research of the National Institute of Standards and Technology DA - 2008-03-03 LA - en M1 - 113 PB - Journal of Research of the National Institute of Standards and Technology PY - 2008 TI - Non-contact Methods for Measuring Front Cavity Depths of Laboratory Standard Microphones Using a Depth-Measuring Microscope UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=823015 ER -