"pemberton, john e. "
how to find out in mathematics: / john.e. pemberton - 1 ed. - uk : pergamon press 1963. - "x, 157p.; 20 cm."
Z6651.P4 1963
how to find out in mathematics: / john.e. pemberton - 1 ed. - uk : pergamon press 1963. - "x, 157p.; 20 cm."
Z6651.P4 1963