Groen, J. Photosynthesis of Calendula Officinalis L. and Impatiens Parviflora DC., as Influenced by Light Intensity During Growth and Age of Leaves and Plants. Wageningen: 1973 128 p. : ill.
Groen, J. Photosynthesis of Calendula Officinalis L. and Impatiens Parviflora DC., as Influenced by Light Intensity During Growth and Age of Leaves and Plants. Wageningen: 1973 128 p. : ill.
Groen, J. (1973) Photosynthesis of Calendula Officinalis L. and Impatiens Parviflora DC., as Influenced by Light Intensity During Growth and Age of Leaves and Plants, Wageningen: 128 p. : ill.
Groen, J. (1973). Photosynthesis of Calendula Officinalis L. and Impatiens Parviflora DC., as Influenced by Light Intensity During Growth and Age of Leaves and Plants. Wageningen: 128 p. : ill.
Groen J. Photosynthesis of Calendula Officinalis L. and Impatiens Parviflora DC., as Influenced by Light Intensity During Growth and Age of Leaves and Plants. Wageningen: 1973. p. 128 p. : ill.