00446nam a22001693 44500 151479 151479 20131006 frey50 eng RO England Evaluation of fertility by plant and soil analysis Bucureşti Kent Ed. Academiei Abacus Press 1972 România 560 p. 63 Davidescu David Davidescu Velicica BK 0 0 2017-01-26 277491 SC SC DEP2 SC00007038 10.00 MN SC116849 63 D23 0 BK 10.00 2017-01-26