biblio toscana

P to plant quarantine

Chicago ; London ; Toronto : Encyclopaedia britannica, c1961

Fa parte di: Encyclopaedia britannica

17: P to Plant Quarantine

Chicago etc. : Encyclopaedia Britannica, c1962

Fa parte di: Encyclopaedia Britannica : a new survey of universal knowledge

17: P to Plant Quarantine

Chicago etc. : Encyclopaedia Britannica, c1963

Fa parte di: Encyclopaedia Britannica

Vol. 17: P to Plant Quarantine

Chicago et al. : Encyclopaedia Britannica INC, copyr. 1965

Fa parte di: Encyclopaedia britannica : a new survey of universal knowledge