TY  - BOOK
AU  - Dar-Alkitab AlMasri
TI  - Twenty First Century Encyclopedia of Science, Technology and Nature
SN  - 9772386682
AV  - AE90 .A7D37 1999
PY  - 1999///
CY  - Cairo
PB  - Dar-Alkitab AlMasri
KW  - Space & Planets
KW  - Physical Forces
KW  - Ecology
KW  - Animal Behavior
KW  - Structure of Matter
KW  - Geography
KW  - Plant Life
KW  - Machines & Inventions
N1  - Computer Age
ER  -