| 000 | 005110000a22001570004500 | ||
|---|---|---|---|
| 090 |
_aAR _b00589 |
||
| 245 | 1 | 0 | _aFixed-wing airplane versus helicopter surveys of manatees (<Trichechus manatus>) |
| 650 | 1 | 4 |
_aMamíferos acuáticos _993274 |
| 650 | 1 | 4 |
_aMétodos de investigación _992859 |
| 650 | 1 | 4 |
_aCensos _993673 |
| 653 |
_gTrichechus _eTrichechus manatus _vmanatí |
||
| 041 | 0 | _aInglés | |
| 100 | 1 |
_aHoffman, Forrest M. _992960 |
|
| 942 | _cARTICULO | ||
| 773 | 1 |
_tMarine Mammal Science _3156 _h1 _q71-75 _d1988 _g4 |
|
| 999 |
_c9681 _d9681 |
||