Two blades of grass A history of scientific development in the U.S department of /

Antzeko izenburuak

• Two blades of grass: a summary of two studies on agricultural innovation in India /
  nork: Roy, Prodipto
  Argitaratua: (1968)
• Two blades of grass a summary of two studies on agricultural innovation in India
  nork: Roy,Prodipto
  Argitaratua: (1968)
• Two ears of Corn , two blades of Grass
  nork: Killeffer, D.H
  Argitaratua: (1955)
• Two ears of corn, two blades of grass
  nork: Killeffer, D.H
  Argitaratua: (1955)
• Two ears of corn, two blades of grass
  nork: Killeffer, D H
  Argitaratua: (1955)