A DEVICE FOR MAKING ELECTRON MICROSCOPIC REPLICAS OF ANNEALED HYGROSCOPIC CRYSTAL SURFACES.KNOPPIK D; BARTSCHERER HC.1974; J. VACUUM SCI. TECHNOL.; U.S.A.; DA. 1974; VOL. 11; NO 6; PP. 1195; BIBL. 1 REF.Article

EFFECT OF 2,4,5-TRICHLOROPHENOL ON HYPHAL MEMBRANE POTENTIALS IN RHYTHMIC MUTANTS OF NEUROSPORA CRASSAKNOPPIK D; LYSEK G.1982; PLANT CELL REPORTS; ISSN 0721-7714; DEU; DA. 1982; VOL. 1; NO 6; PP. 285-287; BIBL. 8 REF.Article

(110) SURFACE STRUCTURE AND DEGREE OF COARSENING OF NACL CRYSTALS ANNEALED NEAR THE THERMODYNAMIC EQUILIBRUIM OF CRYSTAL AND VAPOUR.KNOPPIK D; BARTSCHERER HC.1976; J. CRYST. GROWTH; NETHERL.; DA. 1976; VOL. 36; NO 2; PP. 342-344; BIBL. 3 REF.Article

Gaswechselmessungen an Fababohnen-Blättern (Vicia faba L.) = Measurement of gas exchange in faba-bean leaves (Vicia faba L.)BARTON, K; POMMER, G; KNOPPIK, D et al.Journal of agronomy and crop science (1986). 1995, Vol 174, Num 2, pp 117-124, issn 0931-2250Article

Differences between the flag leaf and the ear of a spring wheat cultivar (Triticum aestivum cv. Arkas) with respect to the CO₂ response of assimilation, respiration and stomatal conductanceKNOPPIK, D; SELINGER, H; ZIEGLER-JÖNS, A et al.Physiologia Plantarum (København. 1948). 1986, Vol 68, Num 3, pp 451-457, issn 0031-9317Article

Toxic effects of exhaust emissions on spruce Picea abies and their reduction by the catalytic converterKAMMERBAUER, H; SELINGER, H; RÖMMELT, R et al.Environmental pollution. Series A. Ecological and biological. 1986, Vol 42, Num 2, pp 133-142, issn 0143-1471Article

Exposure of Norway spruce at the highway border: effects on gas exchange and growthKAMMERBAUER, H; ZIEGLER-JÖNS, A; SELINGER, H et al.Experientia. 1987, Vol 43, Num 10, pp 1124-1125, issn 0014-4754Article

Toxic compoments of motor vehicle emissions for the spruce Picea abiesKAMMERBAUER, H; SELINGER, H; RÖMMELT, R et al.Environmental pollution (1987). 1987, Vol 48, Num 3, pp 235-243, issn 0269-7491Article

Effects of low-level long-term ozone fumigation and acid mist on photosynthesis and stomata of clonal Norway spruce (Picea abies (L.) Karst.)FÜHRER, G; DUNKL, M; KNOPPIK, D et al.Environmental pollution (1987). 1990, Vol 64, Num 3-4, pp 279-293, issn 0269-7491, 15 p.Article