TY  - BOOK
ED  - Salem Press.
TI  - Great scientific achievements
T2  - The Twentieth century
SN  - 0893568600 (set : alk. paper)
AV  - Q121 .G72 1994
U1  - 509/.04 20
PY  - 1994///
CY  - Pasadena, Calif.
PB  - Salem Press
KW  - Science
KW  - History
KW  - 20th century
KW  - Encyclopedias
KW  - Local
KW  - Technology
N1  - "A Magill book from the editors of Salem Press."; Includes indexes; 1. 1880-1905 -- 2. 1906-1916 -- 3. 1917-1929 -- 4. 1929-1938 -- 5. 1938-1949 -- 6. 1950-1958 -- 7. 1958-1964 -- 8. 1964-1973 -- 9. 1973-1982 -- 10. 1982-1994
ER  -