TY - RPRT TI - Stable multicopy integration of vector sequences in Hansenula polymorpha. AU - R Gatzke AU - U Weydemann AU - Z A Janowicz AU - C P Hollenberg PY - 1995 DO - 10.1007/bf02431917 UR - https://pubmed.ncbi.nlm.nih.gov/7576550/ ID - 7576550 ER -