LEADER 00000nam 2200217 a 4500 001 0431016194 007 t 008 000713r19981997enk jr 000 eng d 020 0431016194 040 CURLBL 100 1 Hodge, Deborah. 245 10 Simple machines. 260 Oxford :|bHeinemann Library,|c1997. 300 32p. 440 0 Starting with science 650 0 Machinery|vJuvenile literature. 650 0 Mechanical engineering|vJuvenile literature. 650 0 Science projects|vJuvenile literature.
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