TY - JOUR AU - Penn, David C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1976-07-15 00:07:00 LA - en M1 - 14 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1976 TI - Comment on Field emission as a probe of the surface density of states UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620121 ER -