The National Encyclopedia : 13 Volume Alphabetical Encyclopedia Vol. 13 (Stubbs - Zygote).
The National Encyclopedia : 13 Volume Alphabetical Encyclopedia Vol. 13 (Stubbs - Zygote). - Atlanta, Georgia : National Encyclopedia Corporation. - 4611p. 4990p. : ill. ; 8 inch.
0-938171-12-7
0-938171-12-7