A new multi-purpose desk calculator; paper no. A2(b)
Smith, James Raymond
A new multi-purpose desk calculator; paper no. A2(b)
In: RICS. Land Surveyors Conference, April, 1970. 1970/19A
526.90285
A new multi-purpose desk calculator; paper no. A2(b)
In: RICS. Land Surveyors Conference, April, 1970. 1970/19A
526.90285