TY  - BOOK
TI  - Science year: the 'World book' science annual. 1978 : a review of science and technology during the 1977 school year 
SN  - 0716605783
U1  - 940.505 S416 1978 
PB  - Field Enterprises Educational Corporation, Chicago, 1977
KW  - Periodicals Science l Word book
ER  -