National Scientific Balloon Facility (NSBF) Newsletter, lists balloon flights for February 1977, flights scheduled for the next three months, significant events, upcoming events, and a note that the NSBF cannot be responsible for accepting radioactive sources at any location other than Palestine.... Show moreNational Scientific Balloon Facility (NSBF) Newsletter, lists balloon flights for February 1977, flights scheduled for the next three months, significant events, upcoming events, and a note that the NSBF cannot be responsible for accepting radioactive sources at any location other than Palestine. Flight schedule includes the names of the scientists and their institutions. Show less
