00497nam a2200145Ia 4500008004100000020001500041082001800056100002300074245011400097260004100211300000800252650004100260650003400301653001600335170901s1977    xx            000 0 und d  a0471576069  a635.982bB43G  aMastalerz, John W. 4aThe Greenhouse EnvironmentbThe Effect of Environmental Factors on the Growth and Development of Flower Crops  aNew YorkbJohan Wiley and Sonsc1977  a639  aAgriculture and related technologies  aTechnology (Applied sciences)  aGreenhouses