Baseline data report.
Description
Viewability
Item Link | Original Source |
---|---|
Limited (search only) v.15 1983 | Northwestern University |
Limited (search only) v.16 1984 | Northwestern University |
Limited (search only) v.17 1985 | Northwestern University |
Limited (search only) v.20-21 1988-1989 | Northwestern University |
Limited (search only) v.21 no.6 1989 Nov/Dec | University of Michigan |
Limited (search only) v.22 no.1 1990 Jan/Feb | University of Michigan |
Limited (search only) v.22 no.3 1990 May/Jun | University of Michigan |
Limited (search only) v.22 no.6 1990 Nov/Dec | University of Michigan |
Limited (search only) v.22-v.24:no.2 1990-1992:Jan./Feb. | Northwestern University |
Limited (search only) v.23 no.1 1991 Jan/Feb | University of Michigan |