Investigations on methods of obtaining heterosis in the breeding of oil sunflower. Part II. An estimation of the combining ability of certain varieties and lines of oil sunflower in reciprocal crosses

Kloczowski, Z.

Hodowla Roslin Aklimatyz. Nasien-nictwo 11: 235-57

1967

https://eurekamag.com/research/014/535/014535517.php