International, World Book - Childcraft <br/><br/>
Science Year: The world book science annual. 

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 - Chicago  U.S.A.  1980 
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<br/><br/>  Lib has.vols :- 1974, 1975, 1976, 1977. 1.science-yearbooks 
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<br/><br/><label>Subjects--Index Terms: </label>Science  Chemistry  science periodicals  Periodicals  Journals  magazines 
<br/><br/><label>Dewey Class. No.: </label>5(058)