000 00581nam a2200145Ia 4500
008 100415s9999 xx 000 0 und d
082 _b13516
_a574.52632
100 _aDowning John A Et al (eds.)
245 _aA Manual on Methods For the Assessment of Secondary Productivity in Fresh Waters
260 _aLONDON
_c1984
_bBLACKWELL SCIENTIFIC PUBLICATI
365 _b391
630 _aA Manual on Methods For the Assessment of Secondary Productivity in Fresh Waters
730 _aA Manual on Methods For the Assessment of Secondary Productivity in Fresh Waters
942 _cBOOK
999 _c596431
_d596428