TY - JOUR AU - Charles Tilford AU - Charles Ehrlich AU - K McCulloh AU - F Long C2 - Journal of Vacuum Science & Technology A DA - 1987-05-01 LA - en PB - Journal of Vacuum Science & Technology A PY - 1987 TI - Low-range flowmeters for use with vacuum and leak standards UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=921267 ER -