Herbert Federer's Geometric Measure Theory was originally published by Springer-Verlag (Grundlehren der mathematischen Wissenschaften, Volume 153).
Are you a looking for an introductory guide or a researcher needing a specific formula?
It is important to clarify that is a famous and monumental textbook/monograph, not a short academic paper. Published in 1969, it is widely considered the "bible" of the field.
If you're looking for a that explains Federer’s ideas more accessibly, try:
Focuses on area-minimizing surfaces and their singularities. ⚖️ The "Federer Style" (Pros & Cons) Remembering Herbert Federer (1920–2010) - ResearchGate
– While not about Federer’s book directly, Leon Simon’s Lectures on Geometric Measure Theory (1983) is a concise, more accessible companion often used alongside Federer.