00554nam a22002057a 4500 INP 20251222084513.0 251020b1975 ru j|||f |||| 001 0 eng d EG-INP EG-INP 21 306.3 R.N Nikolayev , A. R & D in Social Reproduction A. Nikolayev 1 Moscow Progress Publishers 1975 355P Paper 18cm Qmark Research & Development in Social Reproduction Emad copycat 19845 19845 0 INP INP BK