TY  - RPRT
TI  - Threefolds whose canonical bundles are not numerically effective.
AU  - S Mori
PY  - 1980
DO  - 10.1073/pnas.77.6.3125
UR  - https://pubmed.ncbi.nlm.nih.gov/16592836/
ID  - 16592836
ER  -