Gates, Jane Potter <br/><br/>
Farming systems research :  january 1979 - december 1991 
/por Jane Potter Gates 
 - Maryland, EUA :  National Agricultural Library,  1992 
 - 49 p. 
 - Quick bibliography series.  ; 92-27 .
 - Quick bibliography series.  Alternative farming systems  ; 92-27 .
<br/><br/><label>ISSN: </label>1052-5378 
<br/><br/><label>LCCN: </label>103532 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Investigación--Bibliografía.<br/>Sistemas de cultivo--Bibliografía.