| 000 | 00399nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aFremling, C.R. | ||
| 245 | _aBiology of a large mayfly, Hexagenia bilineata (Say), of the upper Mississippi r | ||
| 260 | _aAmes | ||
| 260 | _c1960 | ||
| 300 | _a841-852 p. | ||
| 440 | _aIowa Agricultural Experiment S | ||
| 901 | _pS2184 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c116866 _d116866 |
||