@Article{ BOJKOV_Fenice-_Federici-:585-588,

author = { NIKOLAY BOJKOV VASSILEV and M. Fenice- and F Federici- } ,

title = { ROCK PHOSPHATE SOLUBILIZATION WITH GLUCONIC ACID PRODUCED BY IMMOBILIZED PENICILLIUM VARIABILE P16 },

journal = { Biotechnology Techniques },

year = { 1996 },

volume = { 10 },

pages = { 585-588 },

}