TY  - RPRT
TI  - Another look at hardiness.
AU  - G Wagnild
AU  - H M Young
PY  - 1991
DO  - 10.1111/j.1547-5069.1991.tb00682.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1937526/
ID  - 1937526
ER  -