TY  - RPRT
TI  - First class delivery.
AU  - A Holdcroft
AU  - F Plaat
PY  - 1999
DO  - 10.1016/s0959-289x(99)80129-0
UR  - https://pubmed.ncbi.nlm.nih.gov/15321136/
ID  - 15321136
ER  -