00616nam a22001577a 4500 MWNLS 2010112506216.0 101126t xxu||||| |||| 00| 0 eng d Elementary, economic experiments in physics/ by Reinald F. Melton London: CEDO, 1972 51 p. physics ddc BK 3160 3160 0 0 ddc 0 0 REF HQ HQ REF 2010-11-25 R 530.076 MEL 0004307 2010-11-25 00:00:00 2010-11-25 REF 0 0 ddc 0 0 REF HQ HQ REF 2010-11-26 BCD 2000.00 R 530 MEL 0009126 2010-11-26 00:00:00 2500.00 2010-11-26 BK