Hill, Albert F
L j
Economic botany. A textbook of useful plants
and plant products.
8:o New York & London 1937*
(McGraw-Hill publications in the agricultural
and botanical sciences.)

—
Hill, Albert F
Economic botany. A textbook of useful plants
and plant products.
8:0 New York & London 1937.
(McGraw-Hill publications in the agricultural
and botanical sciences.)