共 7 条
[1]
ALEXANDER M, 1961, INTRO MICROBIOLOGY
[3]
CAPACITY OF DESERT ALGAL CRUSTS TO FIX ATMOSPHERIC NITROGEN
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1971, 35 (05)
:843-+
[4]
OLSON G. W., 1960, SOIL SCI SOC AMER PROC, V24, P349
[6]
Umbreit WW., 1964, MANOMETRIC TECHNIQUE