na YOGYA-02090000002930 20090227020600.0 ind 010-020900000002930 539.2 539.2 Lau D LAUB, Ernst Diagram radiasi membahas rahasia pendulum Ernst Laub Cet. 3 Semarang Dahara Prize 1992 207 hlm ilus 21 cm Radiasi - Pengukuran YOPDYOG(B) 02-01-06 2 fwhrtrev 93P0035350 93P0035351