000 004180000a22001450004500
001 16181
090 _a16181
100 _a20190520 frey50
101 _aeng
102 _aES|Barcelona
200 0 1 _aPhytoplankton communities in upwelling areas : the example of NW Africa
_fRamón Margalef
317 _aIPIMAR
461 _a<Oceanologia aquatica>. - n º 3 (!978), p. 97-132
686 _aD 51
700 _aMargalef,
_bRamón