TY  - BOOK
ED  - World Book Inc. (Firm)
TI  - Science year: the World Book science annual
SN  - 0716605716
U1  - 030 UKP 
PY  - 1965///-1983
CY  - Chicago, Ill.
PB  - World Book
KW  - Enciclopedias y diccionarios
N1  - 1965-1969; 1971-1973; 1977-1983; Science yearbook to accompany World Book encyclopedia
ER  -