00549nam a2200133Ia 4500008004100000082002800041100001800069245011200087260004600199650003600245942000700281999001700288952011000305220204s9999    xx            000 0 und d  a577.344:581.5(492)bPIE  aPIERIK, R L M 0aIntegrating photochemical light measurement: An ecological study iin the middacnten woodland in Netherland.  aNetherlandbAgricultural Universityc1965  aPhotochemical light measurement  cBK  c22198d22198  00104070aMAINbMAINd2021-12-16l0o577.344:581.5(492) PIEp02916r2021-12-16 00:00:00w2022-02-14yBK