TY  - BOOK
AU  - Struening, Elmer L.
AU  - Guttentag, Marcia
TI  - Handbook of evaluation research
SN  - 0803904282
U1  - 575.8 23rd ed.
PY  - 1975///
CY  - London
PB  - Sage Publications
KW  - BIOLOGY,TRANSPIRATION
ER  -