Systematic collections of the Agricultural Research Service 
[etdited by] J. R. Lichtenfels, J. H. Kirkbride, and D. J. Chitwood 
 - vi, 71 páginas :  ilustraciones 
 - Miscellaneous publication (United States. Dept. of Agriculture)  1343 .
<br/><br/><label>Subjects--Corporate Names: </label><br/>Estados Unidos Agricultural Research Service. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biología--Colecciones
<br/><br/><label>LC Class. No.: </label>QH322.A4  / S9 1998