1.  STUDII ASUPRA UNOR GRUPE ECOLOGICE DE BACTERII DIN LACUL DE ACUMULARE GILĂU - JUDEŢUL CLUJ.

          Authors: MANUELA-CLAUDIA LUMPERDEANU, MIHAIL DRĂGAN-BULARDA.

2.  RECENZII � BOOK REVIEWS � I. PETRESCU (EDITOR), MEDIUL - CERCETARE, PROTECţIE şI GESTIUNE.

          Authors: MIHAIL DRĂGAN-BULARDA.

3.  MICROBIOTA UNOR APE MINERALE DIN ZONA LĂPUŞULUI (JUD. MARAMUREŞ).

          Authors: MIHAIL DRĂGAN-BULARDA, CLAUDIU IUŞAN.

4.  BIBLIOGRAPHY OF ENVIRONMENTAL ENZYMOLOGY IN ROMANIA. III.

          Authors: ŞTEFAN KISS, MIHAIL DRĂGAN-BULARDA, DANIELA PAŞCA.

5.  THE PRESENCE OF SULPHATE-REDUCING BACTERIA IN THE BOTTOM SEDIMENTS OF THE ROMANIAN BLACK SEA AREA.

          Authors: ELENA STOICA, MIHAIL DRĂGAN-BULARDA, JAN KUEVER.

6.  UV-B-INDUCED DAMAGE AND RECOVERY OF PHOTOSYNTHETIC ACTIVITY IN THE CYANOBACTERIUM SYNECHOCYSTIS.

          Authors: COSMIN IONEL SICORA, MIHAIL DRĂGAN-BULARDA, IMRE VASS.

7.  RECENZIE - INGINERIE GENETICă.

          Authors: MIHAIL DRĂGAN-BULARDA.

8.  THE MICROBIAL DISTRIBUTION FROM WATER AND SEDIMENT OF TARNITA DAM RESERVOIR.

          Authors: MANUELA-CLAUDIA CURTICĂPEAN, MIHAIL DRĂGAN-BULARDA.

9.  THE QUALITATIVE ENZYMATIC ACTIVITY OF GILAU AND TARNITA DAM RESERVOIR SEDIMENT.

          Authors: MANUELA-CLAUDIA CURTICĂPEAN, MIHAIL DRĂGAN-BULARDA.

10.  THE QUANTITATIVE VARIATIONS OF SOME ECOPHYSIOLOGICAL GROUPS OF BACTERIA FROM THE SEDIMENTS OF THE CRIŞUL ALB RIVER.

          Authors: MARIOARA NICOLETA FILIMON, MIHAIL DRĂGAN-BULARDA.

11.  SEASONAL POLLUTION CAUSED BY SEWAGE WASTE WATERS IN THE CRIŞUL ALB RIVER DURING 2005.

          Authors: MARIOARA NICOLETA FILIMON, MIHAIL DRĂGAN-BULARDA.

12.  ANTIMICROBIAL EFFICIENCY OF SOME DISINFECTANTS AGAINST BACTERIA AND FUNGI WITH SURFACE TEST.

          Authors: ILDIKÓ-IRÉN RÁCKÖVY, MIHAIL DRĂGAN-BULARDA.

13.  MICROORGANISM POPULATIONS WITHIN GELATINOUS FORMATIONS FROM KIESBERG MINE IN BANAT MOUNTAINS, ROMANIA.

          Authors: VASILE-DANIEL GHERMAN , JEAN-GABRIEL BRÉHERET, MIHAIL DRĂGAN-BULARDA.

14.  MICROORGANISM ASSOCIATIONS WITHIN A THIN ACID SOLUTION FILM FROM AN OLD MINE IN BANAT MOUNTAINS.

          Authors: VASILE-DANIEL GHERMAN , JEAN-GABRIEL BRÉHERET, MIHAIL DRĂGAN-BULARDA.

15.  EVALUATION OF THE FUNGICIDE EFFECT OF CERTAIN DISINFECTANTS USED ON DIFFERENT SURFACES IN FOOD INDUSTRY AND SANITARY INSTITUTES.

          Authors: ILDIKÓ-IRÉN RÁCKÖVY, JÚLIA EDIT FEKETE, GYULA LÁSZLÓ FEKETE, MIHAIL DRĂGAN-BULARDA.

16.  OLIGASE AND POLYASE ACTIVITIES IN VARIOUS TYPES OF SOILS FROM PARÂNG MOUNTAINS.

          Authors: RAHELA CARPA, MIHAIL DRĂGAN-BULARDA.

17.  PHYSIOLOGICAL STUDIES ON THE NITROGEN FIXING BACTERIA ISOLATED FROM MOUNTAINOUS SOILS.

          Authors: RAHELA CARPA, MIHAIL DRĂGAN-BULARDA.

18.  THE ENZYMATIC ACTIVITY FROM THE SEDIMENTS OF THE ARIEŞ RIVER FROM UPSTREAM TO DOWNSTREAM.

          Authors: ANDREEA BODOCZI, MIHAIL DRĂGAN-BULARDA.

19.  SENSITIVITY OF BACTERIAL, YEAST BIOFILMS AND PLANKTONIC CELLS TO SEVERAL ANTIMICROBIAL AGENTS.

          Authors: ILDIKÓ-IRÉN RÁCKÖVY, MIHAIL DRĂGAN-BULARDA.

20.  BACTERIAL COMMUNITY STRUCTURE IN THE POLLUTED SOILS FROM CLUJ COUNTY (NORTH-WEST ROMANIA).

          Authors: CODRUŢA VIOLETA SIMULE, MIHAIL DRĂGAN-BULARDA.

21.  ASSESSMENT OF ENZYMATIC ACTIVITIES IN CONTAMINATED SOILS FROM CLUJ COUNTY (NW ROMANIA).

          Authors: CODRUŢA VIOLETA SIMULE, MIHAIL DRĂGAN-BULARDA.

22.  OBTAINING AND CHARACTERIZATION OF AN α-AMYLASE BY A STRAIN OF BACILLUS SUBTILIS.

          Authors: MIHAELA MIŞCA, RAHELA CARPA, MIHAIL DRĂGAN-BULARDA, VICENŢIU CĂLEAN.

23.  EFFECTS OF ZINC, LEAD AND CADMIUM POLLUTION ON THE STRUCTURE AND ACTIVITIES OF SOIL BACTERIAL COMMUNITY.

          Authors: CODRUŢA VIOLETA SIMULE, MIHAIL DRĂGAN-BULARDA.

24.  SPATIAL AND TEMPORAL VARIATIONS OF ENZYMATIC ACTIVITY IN BIOFILMS OCCURRING INTO A DRINKING WATER TREATMENT PLANT IN CLUJ, ROMANIA.

          Authors: ANCA FARKAS, MIHAIL DRĂGAN-BULARDA, VASILE MUNTEAN, RAHELA CARPA.

25.  EFFECT OF DIFFERENT DISINFECTANTS AGAINST BIOFILM BACTERIA.

          Authors: CORNELIA CRĂCIUNAȘ, MIHAIL DRĂGAN-BULARDA, BRÎNDUȘA BOCOȘ, ANCA FARKAS.