Digest of plant quarantine regulations
Ling, L.
Digest of plant quarantine regulations by L. Ling - Rome Food and Agriculture Organization of the United Nations 1952 - 164 p.
Plant Quarantine
Regulations
632.93 / L 55 D
Digest of plant quarantine regulations by L. Ling - Rome Food and Agriculture Organization of the United Nations 1952 - 164 p.
Plant Quarantine
Regulations
632.93 / L 55 D