APA
Erdmann G. G., . (1979). Macronutrient deficienty symptoms in seedlings of four northem hardwoods. St. Paul: U. S. Department of Agriculture.
Chicago
Erdmann Gayne G, . 1979. Macronutrient deficienty symptoms in seedlings of four northem hardwoods. St. Paul: U. S. Department of Agriculture.
Harvard
Erdmann G. G., . (1979). Macronutrient deficienty symptoms in seedlings of four northem hardwoods. St. Paul: U. S. Department of Agriculture.
MLA
Erdmann Gayne G, . Macronutrient deficienty symptoms in seedlings of four northem hardwoods. St. Paul: U. S. Department of Agriculture. 1979.
TekstJęzyk: angielski Szczegóły wydania: St. Paul : U. S. Department of Agriculture, 1979.Opis: 36 s. : il. , tab. ; 27 cm.Tematy:
do korzystania na miejscu