000 00324nam a2200133Ia 4500
008 160316s1978 xxu||||| |||| 00| 0 eng d
020 _a
100 _aNielsen, Donald R.
245 _aNitrogen In The Environment
250 _a1
260 _aLONDON
_bACADEMIC PRESS
_c1978
300 _a528
700 _a Macdonald, J.G.
_a
999 _c23014
_d23014