TY  - GEN
AU  - Eiseley,Loren C.
TI  - The invisible pyramid,
AV  - CB19.E38 1970 
PY  - 1970///]
CY  - New York
PB  - Scribner
KW  - Civilization
KW  - Philosophy
KW  - Human beings
KW  - Human ecology
ER  -