1.
Patterns of Discovery: An Enquiry into the Conceptual Foundations of Science
by Hanson, Norwood R.
ISBN: 9780521051972
List Price: $59.95
2.
Patterns of Discovery: An Enquiry into the Conceptual Foundations of Science
by Hanson, Norwood R.
ISBN: 9780521092616
List Price: $37.00
3.
Perception and Discovery An Introduction to Scientific Inquiry
by Hanson, Norwood R., Humphre...
ISBN: 9780877355106
List Price: $12.00