National Academy of Sciences: Basic Problems and Techniques in Range Research. National Research Council, Publication Nr. 890. Washington D. C. 1962. XVI + 342 Seiten. Preis $ 6·–
1989 ◽
Vol 33
(10)
◽
pp. 568-570
1969 ◽
Vol 54
(1)
◽
pp. 181-182