TY  - BOOK
AU  - Whitlock, Carolyn.
TI  - Abbreviations used in the Department of Agriculture for titles of publications
T2  - USDA. Mescellaneous Publication
U1  - 050.148 
PY  - 1939///
CY  - Washington
PB  - (s.e.)
KW  - Publicaciones periódicas
KW  - Abreviaturas
ER  -