Variations on split plot and split block experiment designs /

gan Federer, Walter Theodore, 1915- .
Cyhoeddwyd 2007

Experimental design : theory and application /

gan Federer, Walter Theodore, 1915-.
Cyhoeddwyd 1967

Statistical design and analysis for intercropping experiments /

gan Federer, Walter Theodore, 1915- .
Cyhoeddwyd 1993