@book{ SÁNCHEZ_ALVAREZ:372,

author = { PEDRO MIGUEL SÁNCHEZ CASTILLO and MIGUEL ALVAREZ COBELAS } ,

title = { PHYTOPLANKTON AND TROPHIC GRADIENTS },

publisher = { KLUWER ACADEMIC PUBLISHERS },

address = { DORDRECHT (HOLANDA) },

year = { 1996 },

pages = { 372 },

isbn = { 0-7923-5171-1 },

}