The efficacy and economic effects of plant quarantines in California
Smith, Harry S.
The efficacy and economic effects of plant quarantines in California - 276 páginas 23 x 15 cm
Estados Unidos de America
Agricultura
Planificacion Agricola
Cuarentena
The efficacy and economic effects of plant quarantines in California - 276 páginas 23 x 15 cm
Estados Unidos de America
Agricultura
Planificacion Agricola
Cuarentena