000
00314nam a2200133Ia 4500
008
161001s2005 xx 000 0 und d
082
_a
577.6 H31F
100
_a
Harmer, S.F
245
_a
Fresh water biology
260
_a
Delhi
_b
Asiatic
_c
2005
300
_a
296p.
650
_a
Freshwater biology
942
_2
ddc
_c
C
999
_c
5761
_d
5761