000
00270nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
591 Patten C
100
_a
Patten C B
245
_a
Systems analysis and simulation in ecology
260
_b
_c
1972
942
_c
BK
_2
ddc
999
_c
4524
_d
4524