TY  - BOOK
AU  - Barker Joseph
TI  - Mcgraw-Hill Encyclopedia Of Science And Technology:Vol.15-In Dex
SN  - 0-07-079590-8
AV  - Q 121.M3 1977 
PY  - 1960///
CY  - New York
PB  - Mcgraw-Hill Book Company
ER  -