Full-text versions of Ruy Mauro Marini's work can be found on the internet in Spanish (http://www.marini-escritos.unam.mx/). Using Google Translator, which is actually pretty good, you can read the Dialectic of Dependence, which includes the Cycle of Capital in the Industrial Economy.
Another RadReffer found the following in JSTOR Latin America (if you have access to this database through your university):
1) At the Crossroads Ruy Mauro Marini; Sarah Stookey Latin American Perspectives. Vol. 21, No. 1.
2) Brazil in Transition: Democratization, Privatization, and Working-Class Resistance (Winter, 1994), pp. 99-114.
And the following in Project Muse:
1) Frank, Andre Gunder 1929- Thompson, William R. Afro-Eurasian Bronze Age Economic Expansion and Contraction Revisited Journal of World History - Volume 16, Number 2, June 2005, pp. 115-172.
2) Frank, Andre Gunder 1929- No Civilizations: Unity and Continuity in Diversity; or, Multilateral and Entropic Paradigms for the World Today and Tomorrow positions: east asia cultures critique - Volume 15, Number 2, Fall 2007, pp. 225-249.
More articles are available through other online databases, such as:
1) A New Face for Counterrevolution, Journal: NACLA's Latin America and Empire Report Volume/Issue: 11:6 Month: July-Aug Year: 1977 Pages: 3-5.
2) Dependence Is Dead, Long Live Dependence and the Class Struggle: An Answer to Critics Journal: Latin American Perspectives Volume/Issue: 1:1 Month: Spring Year: 1974 Pages: 87-106 from HAPI online.
Books by Gunder Frank include:
1) Capitalism and underdevelopment in Latin America; historical studies of Chile and Brazil. (ISBN NOT AVAILABLE)
2) Latin America: underdevelopment or revolution; essays on the development of underdevelopment and the immediate enemy.(ISBN NOT AVAILABLE)
3) Dependence and underdevelopment: Latin America's political economy. (ISBN NOT AVAILABLE)