ADDED   mttroot/mtt/lib/latex/bg.sty
Index: mttroot/mtt/lib/latex/bg.sty
==================================================================
--- /dev/null
+++ mttroot/mtt/lib/latex/bg.sty
@@ -0,0 +1,35 @@
+%% Bond Graph commands
+\newcommand{\B}[1]{\text{\sffamily\textbf{#1}}}
+\newcommand{\AmpE}{\B{AE }}
+\newcommand{\AF}{\B{AF }}
+\newcommand{\C}{\B{C }}
+\newcommand{\CSW}{\B{CSW }}
+\newcommand{\De}{\B{De }}
+\newcommand{\Df}{\B{Df }}
+\newcommand{\I}{\B{I }}
+\newcommand{\INTF}{\B{INTF }}
+\newcommand{\ISW}{\B{ISW }}
+\newcommand{\R}{\B{R }}
+\newcommand{\Se}{\B{Se }}
+\newcommand{\Sf}{\B{Sf }}
+\newcommand{\Ss}{\B{SS }}
+\newcommand{\one}{\B{1 }}
+\newcommand{\zero}{\B{0 }}
+\newcommand{\TF}{\B{TF }}
+\newcommand{\GY}{\B{GY }}
+
+%% Bond Graph components with label
+\newcommand{\BB}[2]{$\B{#1}$:$\mathbf{#2}$} %Generic
+
+\newcommand{\BC}[1]{\BB{C}{#1}}
+\newcommand{\BI}[1]{\BB{I}{#1}}
+\newcommand{\BR}[1]{\BB{R}{#1}}
+
+\newcommand{\BSS}[1]{\BB{SS}{#1}}
+\newcommand{\BSe}[1]{\BB{Se}{#1}}
+\newcommand{\BSf}[1]{\BB{Sf}{#1}}
+\newcommand{\BDe}[1]{\BB{De}{#1}}
+\newcommand{\BDf}[1]{\BB{Df}{#1}}
+
+\newcommand{\BTF}[1]{\BB{TF}{#1}}
+\newcommand{\BGY}[1]{\BB{TF}{#1}}