Encyclopaedia Britannica, inc.,.

1983 Yearbook of science and the future. [[Reference] /] Encyclopaedia Britannica, inc.,. - Chicago : Encyclopaedia Britannica, inc., 1982. - 1983-1990. ; 28 cm. - 8 .

includes index ,and illustrative photographs .

1- in quest of mars . 2- the arrow of time . 3- computer viruses .

All age.

0852293976

69012349


Science--Periodicals.
Science--Yearbooks.

505

/ EY
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