00395nam a2200109Ia 4500008004100000100002000041245003300061260002600094942000700120999001900127952013900146250530s9999 xx 000 0 und d aSubha Rao,et.al 0aBiological nitrogen fixation aNew DelhibICARc1993 cBK c293457d293457 00104070aKAUCLVbKAUCLVd2025-05-30l0oSUB/BIp202008r2025-05-30 00:00:00w2025-05-30yBKzWritten off as per the Order Ad/29/03