Wünsche, J. N. (1993). The bases of productivity in apple (Malus domestica Borkh.) production systems: The role of light interception by different shoot types. [s.n.].
Lua i Stíl Chicago (17ú heag.)Wünsche, J. N. The Bases of Productivity in Apple (Malus Domestica Borkh.) Production Systems: The Role of Light Interception by Different Shoot Types. Bonn: [s.n.], 1993.
Lua MLA (8ú heag.)Wünsche, J. N. The Bases of Productivity in Apple (Malus Domestica Borkh.) Production Systems: The Role of Light Interception by Different Shoot Types. [s.n.], 1993.
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