B-1,2-N-acetylglucosaminyltransferase-I and B-1,4-galactosylttransferase activities in native and genetically engineered insect cells / by Badrulhisam Abdul Rahman, Betenbaugh, Michael J., Jarvis, Donald R., Yuan, Chuan Lee, Regional Symposium on Chemical Engineering (2002 : Selangor)