1. Linguaggio Procedure Grafiche (Italian for "Graphical Procedures Language"). dott. Gabriele Selmi. Roughly a cross between Fortran and APL, with graphical-oriented extensions and several peculiarities. Underlies the products of CAD.LAB Spa. "Graphical Procedure Language User's Guide and Reference Manual", CAD.LAB, Bologna, Italy, 1989, order code GO89/9.
2. Langage de Programmation Generique. An applicative language, both specification and functional. Special emphasis on parametrised declarations. "Design and Implementation of a Generic, Logic and Functional Programming Language", D. Bert et al, ESOP 86, LNCS 213, Springer 1986.
any of several liquid mixtures of the volatile hydrocarbons propene, propane, butene, and butane. It was used as early as 1860 for a portable fuel source, and its production and consumption for both domestic and industrial use have expanded ever since. A typical commercial mixture may also contain ethane and ethylene as well as a volatile mercaptan, an odorant added as a safety precaution.