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The world of learning 1992        6 
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 - Forty-second edition   
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<br/><br/><label>ISBN: </label>0-946653-68-2 (hardcover)   
<br/><br/><label>ISSN: </label>2 
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<br/><br/><label>Nat. Bib. No.: </label> 2 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>    
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<br/><br/><label>Subjects--Corporate Names: </label><br/>     6 --0-- 2 --------
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<br/><br/><label>Index Terms--Genre/Form: </label><br/>----2
<br/><br/><label>LC Class. No.: </label> / 2 
<br/><br/><label>Dewey Class. No.: </label>R 378.155025  / W893 19922 
<br/><br/><label>National Agricultural Library Call No.: </label> /  
<br/><br/><label>National Library of Medicine Call No.: </label> /  
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