na YOGYA-02090000002213 20150327092202.0 eng 81-86830-42-1 0010-020900000002213 YOPDYOG RQ 509 Enc ENCYCLOPAEDIA of the history of science a readers guide editor Azne Hessenbruch 1 st ed New Delhi Pentagon Press 2002 2 vol 28 cm Sains - Sejarah - Ensiklopedi Hessenbruch, Azne YOPDYOG 1929-PD/B.04 1930-PD/B.04