TY  - RPRT
TI  - An improved beta-galactosidase alpha-complementation system for molecular cloning in Bacillus subtilis.
AU  - P Haima
AU  - D van Sinderen
AU  - S Bron
AU  - G Venema
PY  - 1990
DO  - 10.1016/0378-1119(90)90133-c
UR  - https://pubmed.ncbi.nlm.nih.gov/2121609/
ID  - 2121609
ER  -