共 8 条
- [1] AXELSSON J, 1939, SVINENS UTFODRING 1
- [2] AXELSSON J, 1949, VARA FODERMEDEL
- [3] AXELSSON J, 1948, LANTMANNEN, V32, P217
- [4] AXELSSON J, 1946, SVENSKA SVINAVELSFOR
- [5] GOLDSTEIN S, 1950, THESIS ETH ZURICH
- [6] LATHROP AW, 1938, WIS AGR EXP STA RES, V135
- [7] NORDFELDT S, 1946, SARTRYCK FORHANDSMED
- [8] SNEDECOR GW, 1946, STATISTICAL METHODS