The new encyclopaedia Britannica : knowledge in depth /
Encyclopedia Britannica.
- 15th ed.
- Chicago : Encyclopedia Britannica, c1990
- Vols. ; 29 cm.
V.-21 (Macropedia)
31 31
0852295111
Encyclopedia
032/ N43
V.-21 (Macropedia)
31 31
0852295111
Encyclopedia
032/ N43