The new encyclopaedia Britannica
- 15th ed.
- Chicago Encyclopaedia Britannica, inc. 1989
- 982p. v.5
(Freon holderlin) Micropaedia Ready reference
0-85229-493-X
Encyclopedia
/ G599 V.5
031
(Freon holderlin) Micropaedia Ready reference
0-85229-493-X
Encyclopedia
/ G599 V.5
031