000 00404nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a016:631.84 L2
100 _a"Tondon, H.L.S., comp."
245 _a"Nitrogen in Indian Agriculture (1961-70) - A bibliography of N,NP,NK,NPK, & other related factors"
260 _a1972
_bEuropean Nitrogen Service Programme
_cNew Delhi
300 _a466
942 _cBK
999 _c57710
_d57710