TY  - RPRT
TI  - OR barrier materials--necessity or extravagance?
AU  - N L Belkin
AU  - F T Koch
PY  - 1998
DO  - 10.1016/s0001-2092(06)62893-7
UR  - https://pubmed.ncbi.nlm.nih.gov/9505126/
ID  - 9505126
ER  -