TY - BOOK AU - Unger, K. K. TI - Porous silica: its properties and use as support in column liquid chromatography SN - 0-444-41683-8 PY - 1979/// CY - Amsterdam PB - Elsevier Scientific publishing Company UR - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=6707 ER -