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1by Gupta, K. 180838, International Inst. for Population Sciences, Mumbai (India) eng 27976, Retherford, R.D. 180850, Gandotra, M.M. 180855, Verma, R.K. 180856, Das, N.P. 180857, Khan, Z.A. 180853, ORC Macro, Calverton, MD (USA) eng 180781
Published 2001Texto bibliotecaFAO IT