@Article{ BOJKOV_HRISTOVA:89-92,

author = { NIKOLAY BOJKOV VASSILEV and MARIA HRISTOVA VASSILEVA } ,

title = { INVESTIGATIONS OF THE EFFECT OF TWEENS ON CITRIC ACID PRODUCTION BY ASPERGILLUS NIGER },

journal = { FOOD INDUSTRY SCINECE },

year = { 1987 },

volume = { 3 },

pages = { 89-92 },

}