Opium poppy (papaver somniferum)
Heeger, E.F., Poethke, M.
Opium poppy (papaver somniferum) Cultivation-chemistry-utilization by E.F. Heeger and W. Poethke - Springfield National Technical Information Service 1964 - 45 p.
Cocoa
Poppy
Papaver Somniferum
Chemistry
633.75 / H 458 O
Opium poppy (papaver somniferum) Cultivation-chemistry-utilization by E.F. Heeger and W. Poethke - Springfield National Technical Information Service 1964 - 45 p.
Cocoa
Poppy
Papaver Somniferum
Chemistry
633.75 / H 458 O