@Article{ HRISTOVA_BOJKOV:30-35,

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

title = { IMMOBILIZATION OF MICROORGANISMS PRODUCING ORGANIC ACIDS },

journal = { JOURNAL OF THE BULGARIAN ACADEMY },

year = { 1987 },

volume = { 3 },

pages = { 30-35 },

}