000 00427nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a577.344:581.5(492)
_bPIE
100 _aPIERIK, R L M
245 0 _aIntegrating photochemical light measurement: An ecological study iin the middacnten woodland in Netherland.
260 _aNetherland
_bAgricultural University
_c1965
650 _aPhotochemical light measurement
942 _cBK
999 _c22198
_d22198