World book c1989
science year The World Book Annual Science Supplement book Harmet, Richard A. - Chicago World Book, Inc. c1989 - i,400p.; includes ill.(some col.); 18cm. - Science Year 00807621 .
0716605902 material available in hard copy
World Book, Inc.
Q9.S233 1989
Q9 / .S233 1989
science year The World Book Annual Science Supplement book Harmet, Richard A. - Chicago World Book, Inc. c1989 - i,400p.; includes ill.(some col.); 18cm. - Science Year 00807621 .
0716605902 material available in hard copy
World Book, Inc.
Q9.S233 1989
Q9 / .S233 1989