Marginal costs and scale economies in Spanish ports: a multiproduct approach
On the Calculation of Scale Economies from Transport Cost Functions
Purification of metallurgical silicon by horizontal zone melting
Stochastic optical solitons in nonlinear media type Kerr
Stochastic Optical Solitons in Nonlinear Media type Kerr
Sustainable development and energy geotechnology — Potential roles for geotechnical engineering