The ECOL operation
Subtitle: ecology + building + common sense
By: by Alvaro Ortega ... [et al.].
Contributors: Ortega, Alvaro, 1920-
Edition: Rev. ed.
Series: Problem is -- no. 2
Publisher: Minimum Cost Housing Group, School of Architecture, McGill University
Published: 1975
Place of publication: Montreal
Language: eng
Number of pages: 128
Subjects: Building -- Technological innovations.; Self-help housing.; House construction -- Amateurs' manuals.