@misc{1177691, author = {Bal M Mahajan}, title = {Short duration winter-time performances of different passive solar systems:}, year = {1984}, month = {1984-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.84-2930}, language = {en}, }