2
|
|
Biological report (Washington, D.C.) ; 80(40.23) : Haines, Terry A.
|
1986
|
1
|
3
|
|
Biological report (Washington, D.C.) ; 85. : Foster, Michael S.
|
1985
|
1
|
4
|
|
Biological report (Washington, D.C.) ; 85(1.1) : Eisler, Ronald,
|
1985
|
1
|
5
|
|
Biological report (Washington, D.C.) ; 85(1.2) : Eisler, Ronald,
|
1985
|
1
|
6
|
|
Biological report (Washington, D.C.) ; 85(7.1) : Stout, Judy P.
|
1984
|
1
|
8
|
|
Biological report (Washington, D.C.) ; 85-10. : Ertl, Deana.
|
1986
|
1
|
9
|
|
Biological report (Washington, D.C.) ; 85(11.1) : Armour, Carl L.
|
1986
|
1
|
11
|
|
Biological report (Washington, D.C.) ; 86(2) : Sisk, Richard.
|
1986
|
1
|
12
|
|
Biological report (Washington, D.C.). Air pollution and acid rain -- See Also the earlier heading Air pollution and acid rain
|
|
1
|
13
|
|
|
|
1
|
18
|
|
Biological report (Washington, D.C.) ; no. 3. : Eisler, Ronald,
|
1985
|
1
|