Quizá quiso decir: NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 147 NATO Science Series II: Mathematics, Physics and Chemistry, II. Mathematics, Physics and Chemistry, 1568-2609 ; 145 NATO Science Series II: Mathematics, Physics and Chemistry, II. Mathematics, Physics and Chemistry, 1568-2609 ; 151 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 152 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 153 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 160 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 161 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 162 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 163 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 165 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 135 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 170 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 171 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 172 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 157 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 156 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 168 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 176 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 177 NATO Science Series II: Mathematics, Physics and Chemistry, 1568-2609 ; 178