Hydroponics: The Bengal System /
Douglas, J.Sholto .
Hydroponics: The Bengal System / Textual Documents J.Sholto Douglas. - 1st ed. / - London : Oxford University Press , 1951. - 141p. : ill ; 20cm .
Hydroponics G-Technology
631.58 / D 746 H
Hydroponics: The Bengal System / Textual Documents J.Sholto Douglas. - 1st ed. / - London : Oxford University Press , 1951. - 141p. : ill ; 20cm .
Hydroponics G-Technology
631.58 / D 746 H
