Quizá quiso decir: NATO Science Series, Series IV: Earth and Environmental Sciences, 1568-1238 ; 46 NATO Science Series, Series IV: Earth and Environmental Sciences, 1568-1238 ; 56 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 38 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 41 NATO Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 42 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 43 NATO Science Series IV: Earth and Environmental Sciences, 1568-1238 ; 55 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 57 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 58 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 59 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 60 NATO Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 63 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 61 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 64 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 65 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 66 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 72 Nato Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 73 NATO Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 75 NATO Science Series: IV: Earth and Environmental Sciences, 1568-1238 ; 79