00655nam a2200193 a 4500 20140412111308.0 060407s19uu xx 00 eng d 1-85435-624-0 REF 507 K46Co 1997 Kerrod, Robin Let's investigate science : Communications / Robin Kerrod ; illustrated by Ted Evans. New York : Marshall Cavendish, 1997. 64 p. ; ill. Let's inevstigate science Telecommunication Juvenile literature Communication Juvenile literature Environmental protection Juvenile literature 103827 103827 0 0 0 EL EL REF 2006-04-07 Lib. Fund 0 REF 507 K46Co 1997 E5971 2014-04-12 00:00:00 2014-04-12 BK