000
00248 a2200109 4500
080
_a
574
_b
S 781 B
245
1
_a
Biotic principles
_c
by H.L. Stahnke
260
_c
1964
650
_a
Biological Principles
100
1
_a
Stahnke, H.L.
_d
901
_a
82123
999
_c
30546
_d
30546