Big English Plus 1 Class CDMario Herrera, Christopher Cruz, Christopher Sol Cruz · First published 2015Open the Tome
Big English Plus 1 Student Book with MyEnglishLabMario Herrera, Christopher Cruz · First published 2015Open the Tome
Cambridge for Dgb (for Uvm) Level 4 Student's PackChristopher Sol Cruz · First published 2015Open the Tome
Big English 3 Class CDMario Herrera, Christopher Sol Cruz, Christopher Cruz · First published 2014Open the Tome
Big English 6 Teacher's EText CD-ROMMario Herrera, Christopher Sol Cruz · First published 2014Open the Tome
Big English Plus 1 Pupil's BookMario Herrera, Christopher Sol Cruz · First published 2014Open the Tome
Big English Plus 4 Pupil's BookMario Herrera, Christopher Sol Cruz · First published 2013Open the Tome
Control effectiveness and tip-fin dihedral effects for the HL-20 lifting-body configuration at Mach numbers from 1.6 to 4.5Christopher I. Cruz · First published 1995Open the Tome
Improved tangent-cone method for the Aerodynamic Preliminary Analysis System (APAS) version of the hypersonic arbitrary-body programChristopher I. Cruz · First published 1990Open the Tome