000			00359nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a792351711
041			_aen
082			_a577.6
100			_aCOBELAS,M.Alvarez.
245		0	_aPhytoplankton and Trophic Gradients
260			_aBoston. _bKluwer Academic pub. _c1998
300			_axiv,372p.
942			_cPR
999			_c51562 _d51562