TY  - BOOK
ED  - World Book, Inc.
TI  - The world book encyclopedia of science
SN  - 071663192X
AV  - Q121 .W65 1986
U1  - 503/.21 19
PY  - 1986///
CY  - Chicago
PB  - World Book
KW  - Science
KW  - Dictionaries
KW  - Encyclopedias
N1  - Physics today
ER  -