000 00436nam a2200157Ia 4500
008 130223s9999 xx 000 0 und d
080 _a581.5.035:535.214.4
100 _aPierik, R.L.M.
245 _aIntegrating photochemical light measurement, an ecological study in the Middacht
260 _aNederland
260 _c1965
300 _a16 p.
440 _aNo. 65-10; Nederland Mededelin
901 _pS13019
942 _cB
_2udc
999 _c125810
_d125810