TY  - RPRT
TI  - The challenges ahead.
AU  - N R Hertzer
PY  - 1994
DO  - 10.1583/1074-6218(1994)001<0001:tca>2.0.co;2
UR  - https://pubmed.ncbi.nlm.nih.gov/9280689/
ID  - 9280689
ER  -