机读格式显示(MARC)

• 000 00772cam 2200241 a 4500

• 000 1000023356

• 001 0000286830

• 005 20060713083926.0

• 008 890619s1984 enka b 00010 eng @

• 020 __ |a 0851864384 : |c 57.80, ?4.45

• 040 __ |a CAU

• 090 __ |a Q945.13/RRL

• 093 __ |a Q945.13 |2 4

• 100 1_ |a Richards, Raymond L.

• 245 14 |a The chemistry of biological nitrogen fixation / |c Raymond L. Richards.

• 260 __ |a London : |b The Educational Techniques Group, |c 1984.

• 300 __ |a 19 p. : |b ill. ; |c 21 cm.

• 504 __ |a Bibliography: p. 19.

• 650 _0 |a Nitrogen |x Fixation.

• 901 __022006018170

• 905 __ |a CAU |f Q945.13/RRL |b 59209(F)

• 907 __ |a CAU |f Q945.13/RRL |b 59209(F)

• 999 __ |t E |A xy1 |a 20060713 08:39:09 |G unknown |g 19980101 |I xy1 |i 20060713 08:39:2