By Chen Y.C.   Bundy D.S.   Hoff S.   in Journal of Agricultural Engineering Research

ISSN:0021-8634|69|3|229-238

Academic Press‎(1998)‎

Access to resources Favorite 6.1492767

By DeHoff S.L.   in Pastoral Psychology

ISSN:0031-2789|46|5|333-346

Springer Publishing Company ‎(1998)‎

Access to resources Favorite 2.6760087