TY  - MANSCPT
AU  - Eiseley,Loren C.
TI  - THE INVISIBLE PYRAMID
PY  - 1998///
CY  - LINCOLN
PB  - BISON BOOKS; UNIVERSITY OF NEBRASKA PRESS
KW  - HUMAN ECOLOGY
KW  - SOCIAL EVOLUTION
KW  - TECHNOLOGY AND CIVILIZATION
KW  - CIVILIZATION
KW  - PHILOSOPHY
KW  - HUMAN BEINGS
ER  -