na INLIS000000000005732 20250708020701 0010-0725000003 ta 250708 g u dut 631.41(594.5) 631.41(594.5) KRA p KRAMERS, J.G Proefstation Oos-Java / J.G. Kramers no. 49 Soerabaia : Van Ingen, 1893 105 p. ; 24 cm. EXPERIMENTATION STATIONS 0107/D/2025