Monografías de ciencia moderna /

no.1-8; no.1-4; no.3; no.5; no.5-8; no.8-13; no.9-16; no.9-12; no.13-16; no.14-18; no.17-23; no.17-19; no.19-21; no.20-22; no.22-25; no.23-25; no.24-30; no.26-28; no.27; no.29-32; no.29; no.30-32; no.31-34; no.33-34; no.34-38; no.35-40; no.35-36; no.37-39; no.39-42; no.40-44; no.41-45; no.43-48; no.45-48; no.46-50; no.49-52; no.51-56; no.53-57; no.53-56; no.57-61; no.57-60; no.58-61; no.61-63; no.62-66; no.62-64; no.64-66; no.65-68; no.67-71; no.67-70; no.69-71; no.71-74; no.72-76; no.72-74; no.75-78; no.77-81; no.79-80; no.79; no.80-81; no.81-83; no.82-85; no.83-86 (1973-75); no.84; no.85-86