TY  - SER
TI  - Scientific American resource library
AV  - QE28 .R42
U1  - 550/.8 
PY  - 1969///-c1973
CY  - San Francisco
PB  - W.H. Freeman and Co.
KW  - Earth sciences
KW  - Periodicals
N1  - Vols. 1-3 called also Offprints 801/843, 844/874, and 875/899
ER  -