• Undergraduate theses:
• Efficiency Measurements on the CEBAF Hall A VDCs (gzipped .ps)

C. Leathers, MIT
• Drift-Time Properties of CEBAF Hall A Vertical Drift Chambers (gzipped .ps)

R. Wechsler, MIT
• Internal reports and technotes:
• VDC Manual V2.1 (gzipped .ps)

K. G. Fissum, MIT
• Vertical Drift Chambers for the Hall A High Resolution Spectrometers at Jefferson Lab   Letter   A4  (gzipped .ps)

K. G. Fissum et al., MIT
• Operations documents
• the Hall A Wire Chamber Gas System (HAWGs) manual

H. C. Fenker, Jefferson Lab
• the Hall A Operating Manual, Vertical Drift Chamber section

J. H. Mitchell editor, Jefferson Lab
• Publications
• Vertical Drift Chambers for the Hall A High Resolution Spectrometers at Jefferson Lab

Nuclear Instruments and Methods A474, 108 (2001)
K. G. Fissum et al., MIT
see
http://www.elsevier.com/gej-ng//29/35/25/128/show/Products/NPE/toc.htt
and the links therein for a summary and a .pdf download of the published article