TY - GEN AU - Mansfield, T.A. (ed.) AU - Goulding, K.W.T. AU - Sheppard, L.J TI - Major biological issues resulting from anthropogenic disturbance of the nitrogen cycle SN - 9780521644266 PY - 1998/// CY - Cambridge PB - Cambridge University Press KW - Nitrogen compounds KW - Environmental aspects KW - Congresses KW - Water KW - Pollution KW - Sewage KW - Purification KW - Nitrogen removal ER -