000 00300nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aYadava (PS) and Singh (JS)
245 0 _aGrassland vegetation
260 _b"Today and Tommarow, New Delhi"
260 _c1977
365 _b50.00
942 _cBK
999 _c204421
_d204421