Statistical design and analysis for intercropping experiments von Federer, Walter Theodore 1915-

Factorial designs von Raktoe, B. L. 1932-

Statistics and society data collection and interpretation von Federer, Walter Theodore 1915-

Experimental design theory and application. von Federer, Walter Theodore 1915-

Experimental design theory and application. von Federer, Walter Theodore 1915-

Experimental design theory and application von Federer, Walter T.