Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Prisons and Idylls. Studies in Heinrich von Kleist's Fictional World.(European University Studies. Series I. German Language and Literature. Vol. 585.)
A Treatise on Dinitrogen Fixation. Section IV, RWF Hardy, AH Gibson (Eds.), in: Agronomy and Ecology, XII, John Wiley and Sons, New York (1977), p. 527,£ 23,-; US $39, 40.