"Region revision 7/82 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 9/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 12/82 (from project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/84 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/84 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 5/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 7/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 7/83 (from project data book)"Caption title.Mode of access: Internet
"Region revision 9/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 10/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 12/82 (from project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 7/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 10/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 5/82 (from Project Data Book)."Caption title.Mode of access: Internet
"Region revision 9/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 12/82 (from project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/84 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/84 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 5/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 7/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 7/83 (from project data book)"Caption title.Mode of access: Internet
"Region revision 9/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 10/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 12/82 (from project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 7/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 10/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 5/82 (from Project Data Book)."Caption title.Mode of access: Internet
"Region revision 9/83 (from Project data book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 2/83 (from Project Data Book)"--P. 1.Caption title.Mode of access: Internet
"Region revision 12/82 (from project data book)"--P. 1.Caption title.Mode of access: Internet