TY  - BOOK
TI  - Communication
SN  - 0716708663
AV  - P90 .C627 1972
PY  - 1972///]
CY  - San Francisco
PB  - W. H. Freeman
KW  - Communication
N1  - "A Scientific American book."; "Originally appeared as articles in the September 1972 issue of Scientific American."; Includes bibliographies
ER  -