TY  - BOOK
TI  - The Incredible machine
SN  - 0-87044-619-3
U1  - Ref. 612 I379 1992 
PY  - 1992///
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Human physiology
KW  - Body, Human
N1  - Includes index
ER  -