TY  - BOOK
AU  - WILLIAM L. ALLEN EDITOR ETC
TI  - NATIONAL GEOGRAPHIC DEC 1997
U1  - 050.8 NG v.12 1997 
PY  - 1997///
CY  - U.S.A.
PB  - NATIONAL GEOGRAPHIC SOCIETY
KW  - PERIODICALS--NATIONAL GEOGRAPHIC
ER  -