@inproceedings{sgem2006paper, title = {IMPACT OF SOME PGPR ON ZEA MAYS “IN VITRO” DEVELOPMENT AS ENVIRONMENTAL BIOTECHNOLOGY APPLICATION}, author = {S. Stefan and Z. Olteanu and O. Lacramioara and D. Simona and VINTU}, booktitle = {6th International Scientific Conference - SGEM}, year = {2006}, pages = {57-66}, publisher = {SGEM Scientific GeoConference}, doi = {} }