%0 Journal Article %T Extracting metals from ammoniacal solution with low rank coals %A Cullen, G. V. %A Siviour, N. G. %A Pearson, G. M. %J Metallurgical and Materials Transactions B %V 9 %N 3 %P 409-413 %@ 1073-5615 %D 1978-09-01 %I Springer-Verlag %~ DeepDyve